FTC Part 2 & Chain Rule

The second part of the FTC: differentiating integrals, variable limits, and the chain rule.

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FTC Part 2 & Chain Rule

40 questions

Chain Rule and Fundamental Theorem of Calculus

Let $F$ be the function defined by $$F(x) = \int_{1}^{x} (t^3 - 4t^2 + 2) dt$$. If $G(x) = F(x^2)$, what is the value of $G'(2)$?

  1. A.

    28

  2. B.

    8

  3. C.

    14

  4. D.

    112

Correct answer: B
Derivative of an Accumulation Function

$$Let the function `F` be defined by `F(x) = \int_{0}^{x} f(t) dt`. Which of the following represents `F'(x)`?$$

  1. A.

    The slope of `f(t)` at `x`

  2. B.

    The area under `f(t)` from `0` to `x`

  3. C.

    The average value of `f(t)`

  4. D.

    The value of `f(x)`

Correct answer: D
Derivative of an Integral Function

Let the function $$ M $$ be defined by $$ M(x) = \int_{2}^{x} \left( 3t^2 - \frac{4}{t^2} \right) dt $$. What is $$ M'(x) $$?

  1. A.

    $$ 6x + \frac{8}{x^3} $$

  2. B.

    $$ x^3 + \frac{4}{x} $$

  3. C.

    $$ 3x^2 - \frac{4}{x^2} $$

  4. D.

    $$ x^2 - \frac{1}{x^2} $$

Correct answer: C
Derivative of an Integral Function

Let the function `F` be defined by `F(x) = $\displaystyle\int_{0}$ˣ (t³ - 4t) dt`. The function `F` is an antiderivative of which of the following functions?

  1. A.

    f(x) = (x⁴/4)-2x²

  2. B.

    f(x) = F'(x)

  3. C.

    f(x) = F(x) + C for some constant C

  4. D.

    f(x) = x³-4x

Correct answer: B
Derivative of an Integral with the Chain Rule

Let F be a function defined by F(x) = $\displaystyle\int_{1}$ˣ √(1+t³) dt. If the function G is defined by G(x) = F(x²), what is the value of G'(2)?

  1. A.

    2√(1+16)

  2. B.

    4√(1+64)

  3. C.

    √(1+64)

  4. D.

    4√(1+16)

Correct answer: B
Derivatives of an Integral Defined Function

Let the function `g` be defined by `g(x) = $\displaystyle\int_{2}$ˣ f(t)dt`, where `f` is a continuous function. If `g'(3) = 5` and `g''(3) = -2`, what are the values of `f(3)` and `f'(3)`?

  1. A.

    f(3) = -5, f'(3) = -2

  2. B.

    f(3) = -2, f'(3) = 5

  3. C.

    f(3) = 5, f'(3) = -2

  4. D.

    f(3) = 5, f'(3) = 2

Correct answer: C
Differentiating an Integral with Variable Limits

If $$F(x) = \int_{x}^{x^2} \frac{\sin(t)}{t} dt$$, what is $F'(x)$?

  1. A.

    $\frac{4x^2\sin{x^2}}{x^2}-\frac{\sin(x)}{x}$

  2. B.

    $\frac{2x\sin{x^2}}{x^2}-\frac{\sin(x)}{x}$

  3. C.

    $\frac{4x^2\sin{x^2}}{x}-\frac{\sin(x)}{x}$

  4. D.

    $\frac{\sin{x^2}}{x^2}-\frac{\sin(x)}{x}$

Correct answer: A
Fundamental Theorem and Chain Rule

Let the function $$F$$ be defined by $$F(x) = \displaystyle\int_{4}^{x^2} \sqrt{t} dt$$ for $$x > 0$$. Which of the following is $$F'(x)$$?

  1. A.

    $$\displaystyle\dfrac{2x^3 - 16}{3}$$

  2. B.

    $$\displaystyle-\dfrac{1}{2x}$$

  3. C.

    $$\displaystyle 2x^2$$

  4. D.

    $$\displaystyle\sqrt{x}$$

Correct answer: C
Fundamental Theorem of Calculus and Chain Rule

Let the function $$f$$ be defined by $$f(x) = \int_{0}^{x^3} \cos(t^2) dt$$. What is the value of $$f'(\sqrt{\pi})$$?

  1. A.

    $$\cos(\pi^3)$$

  2. B.

    $$3\pi \cos \pi$$

  3. C.

    $$3\pi \cos(\pi^3)$$

  4. D.

    $$3\pi \sin(\pi^3)$$

Correct answer: C
Fundamental Theorem of Calculus and Chain Rule

$$\displaystyle \frac{d}{dx} \int_{e}^{x^3} \ln(t^2 + 1) dt =$$

  1. A.

    $$\ln(x^6 + 1) - \ln(e^2 + 1)$$

  2. B.

    $$\ln(x^6 + 1)$$

  3. C.

    $$3x^2 \ln(x^6 + 1)$$

  4. D.

    $$3x^2 \ln(x^2 + 1)$$

Correct answer: C
Fundamental Theorem of Calculus and Chain Rule

If the function $$J$$ is defined by $$J(x) = \displaystyle\int_{0}^{\ln x} \cos(e^t) dt$$, what is the value of $$J'(e)$$?

  1. A.

    $$\displaystyle \frac{\cos(1)}{e}$$

  2. B.

    $$\displaystyle \frac{\cos(e)}{e}$$

  3. C.

    $$\displaystyle e \cos(e)$$

  4. D.

    $$\displaystyle \cos(1)$$

Correct answer: B
Fundamental Theorem of Calculus and Chain Rule

Let the function $$K$$ be defined by $$K(x) = \displaystyle\int_{0}^{\sin x} e^{t^2} dt$$. What is the value of $$K'\left(\frac{\pi}{6}\right)$$?

  1. A.

    $$\displaystyle e^{\frac{1}{4}}$$

  2. B.

    $$\displaystyle \frac{\sqrt{3}}{2} e^{\frac{1}{4}}$$

  3. C.

    $$\displaystyle \frac{\sqrt{3}}{4} e^{\frac{1}{2}}$$

  4. D.

    $$\displaystyle \frac{1}{2} e^{\frac{\sqrt{3}}{2}}$$

Correct answer: B
Fundamental Theorem of Calculus and Chain Rule

Let the function $$g$$ be defined by $$g(x) = \displaystyle\int_{1}^{x^2} \cos(t^3) dt$$. What is the value of $$g'(\sqrt{2})$$?

  1. A.

    $$\displaystyle 4 \cos(2)$$

  2. B.

    $$\displaystyle \sqrt{2} \cos(8)$$

  3. C.

    $$\displaystyle 2\sqrt{2} \cos(8)$$

  4. D.

    $$\displaystyle 2 \cos(4)$$

Correct answer: C
Fundamental Theorem of Calculus and Chain Rule

Let $$N(x) = \displaystyle\int_{\sqrt{x}}^{x^2} \sec(t^3) dt$$. What is the value of $$N'(1)$$?

  1. A.

    $$\displaystyle \frac{5}{2}\sec(1)$$

  2. B.

    $$\displaystyle \frac{3}{2}\sec(1)$$

  3. C.

    $$\displaystyle \frac{1}{2}\sec(1)$$

  4. D.

    $$\displaystyle 2\sec(1)$$

Correct answer: B
Fundamental Theorem of Calculus and Chain Rule

Let the function $$F$$ be defined by $$F(x) = \displaystyle\int_{x^2}^{4} e^{t^2} dt$$. What is the value of $$F'(1)$$?

  1. A.

    $$\displaystyle -e$$

  2. B.

    $$\displaystyle -2e$$

  3. C.

    $$\displaystyle 2e$$

  4. D.

    $$\displaystyle -4e$$

Correct answer: B
Fundamental Theorem of Calculus and Chain Rule

Let $$G$$ be the function defined by $$G(x) = \displaystyle\int_{x}^{x^3} \ln(t+1) dt$$. What is the value of $$G'(2)$$?

  1. A.

    $$\displaystyle 12\ln(9) + \ln(3)$$

  2. B.

    $$\displaystyle 11\ln(3)$$

  3. C.

    $$\displaystyle 24\ln(3)$$

  4. D.

    $$\displaystyle 12\ln(9) - \ln(3)$$

Correct answer: D
Fundamental Theorem of Calculus and Chain Rule

Let the function $$g$$ be defined by $$g(x) = \int_{2}^{x^3} \sin(t^2) dt$$. What is the value of $$g'(4)$$?

  1. A.

    $$16\sin(64)$$

  2. B.

    $$12\sin(4096)$$

  3. C.

    $$48\sin(4096)$$

  4. D.

    $$3\sin(64)$$

Correct answer: C
Fundamental Theorem of Calculus and Chain Rule

If the function `h` is defined by `h(x) = $$\int$$(x to x²) ln(t) dt`, then `h'(x)` is equal to which of the following?

  1. A.

    h'(x) = ln(x²) - ln(x)

  2. B.

    h'(x) = ln(x²) - ln(x) - 1

  3. C.

    h'(x) = ln(x²) + ln(x)

  4. D.

    h'(x) = 2x·ln(x²) - ln(x)

Correct answer: D
Fundamental Theorem of Calculus and Chain Rule

If $$F(x) = \int_{2}^{\cos^2(x)}(3t-1)dt$$, what is $F'(x)$?

  1. A.

    $-2\sin(x)\cos(x)(3\cos^2(x)-1)$

  2. B.

    $2\sin(x)\cos(x)(3\cos^2(x)-1)$

  3. C.

    $-2\sin(x)\cos(x)(3\sin^2(x)-1)$

  4. D.

    $2\sin(x)\cos(x)(3\sin^2(x)-1)$

Correct answer: A
Fundamental Theorem of Calculus with Chain Rule

Let the function $$P$$ be defined as $$P(x) = \displaystyle\int_{x^3}^{2x} \frac{1}{1+t^2} dt$$. What is the value of $$P'(1)$$?

  1. A.

    $$\displaystyle \frac{1}{2}$$

  2. B.

    $$\displaystyle -\frac{1}{10}$$

  3. C.

    $$\displaystyle \frac{11}{10}$$

  4. D.

    $$\displaystyle -\frac{11}{10}$$

Correct answer: D
Fundamental Theorem of Calculus with Chain Rule

If $$h(x) = \displaystyle\int_{0}^{x^2} \sin(t^2) dt$$, what is the value of $$h'(2)$$?

  1. A.

    $$\displaystyle 8 \sin(4)$$

  2. B.

    $$\displaystyle 4 \sin(16)$$

  3. C.

    $$\displaystyle 2 \sin(4)$$

  4. D.

    $$\displaystyle \sin(16)$$

Correct answer: B
Fundamental Theorem of Calculus with Chain Rule

If $$\displaystyle x > 0$$, then $$\displaystyle \frac{d}{dx} \int_{1}^{\sqrt{x}} \frac{1}{1+t^2} dt =$$

  1. A.

    $$\displaystyle \frac{\sqrt{x}}{1+x}$$

  2. B.

    $$\displaystyle \frac{1}{2\sqrt{x}(1+\sqrt{x})}$$

  3. C.

    $$\displaystyle \frac{1}{1+x}$$

  4. D.

    $$\displaystyle \frac{1}{2\sqrt{x}(1+x)}$$

Correct answer: D
Fundamental Theorem of Calculus with Chain Rule

The function $$f$$ is defined by $$f(x) = \displaystyle \int_{4}^{2x} \sqrt{t^2 - t} dt$$. What is the value of $$f'(2)$$?

  1. A.

    $$\displaystyle\sqrt{2}$$

  2. B.

    $$\displaystyle 0$$

  3. C.

    $$\displaystyle 2\sqrt{12}$$

  4. D.

    $$\displaystyle\frac{7}{2\sqrt{12}}$$

Correct answer: C
Fundamental Theorem of Calculus with Chain Rule

Let a function be defined by f(x) = $\displaystyle\int_{1}^{x²}$ t³ dt. What is f'(x)?

  1. A.

    3x²

  2. B.

    2x³

  3. C.

    2xt²

  4. D.

    x³

Correct answer: B
Fundamental Theorem of Calculus with Chain Rule

If $$F(x) = \int_{0}^{x^2} \frac{1}{\sqrt{t}} dt$$, what is $F'(x)$?

  1. A.

    $\frac{x}{2}$

  2. B.

    $\frac{1}{x}$

  3. C.

    $\frac{1}{\sqrt{x}}$

  4. D.

    $2$

Correct answer: D
Second Derivative of an Accumulation Function

Let F be the function defined by F(x) = $\displaystyle\int_{1}$ˣ √(1+t³) dt. What is the value of F''(2)?

  1. A.

    0

  2. B.

    3·2²·(1+2³)^(-1/2)

  3. C.

    √(1+2³)

  4. D.

    (3/2)·2²·(1+2³)^(-1/2)

Correct answer: D
Second Derivative of an Integral Function

Let F be the function defined by F(x) = $\displaystyle\int_{1}$^x √(1+t³) dt. What is the value of F''(2)?

  1. A.

    √(1+2³)

  2. B.

    3(2²)

  3. C.

    0

  4. D.

    3(2²)/(2√(1+2³))

Correct answer: D
Second Fundamental Theorem and Chain Rule

Let $F$ be the function defined by $$F(x) = \int_{2x}^{4}\sin(t)dt$$. What is $F'(x)$?

  1. A.

    $-2\sin(2x)$

  2. B.

    $-2\sin(x)$

  3. C.

    $2\sin(x)$

  4. D.

    $2\sin(2x)$

Correct answer: A
Second Fundamental Theorem and Chain Rule

If $$F(x) = \int_{2}^{x^3}(2t^2+t)dt$$, then $F'(x) =$

  1. A.

    $6x^8+3x^5$

  2. B.

    $2x^5+3x^2$

  3. C.

    $2x^2+x$

  4. D.

    $6x^3+2x$

Correct answer: A
Second Fundamental Theorem and Chain Rule

Let the function $F$ be defined by $$F(x) = \int_{1}^{x^2} \frac{1}{t} dt$$. What is $F'(x)$?

  1. A.

    $\frac{1}{x}$

  2. B.

    $\frac{2}{x^2}$

  3. C.

    $\frac{1}{2x}$

  4. D.

    $\frac{2x}{x^2}$

Correct answer: D
Second Fundamental Theorem of Calculus

Let the function $$M$$ be defined by $$M(x) = \displaystyle\int_{x}^{e^x} \tan^{-1}(t^2) dt$$. What is the value of $$M'(0)$$?

  1. A.

    $$\displaystyle \frac{\pi}{2}$$

  2. B.

    $$\displaystyle 1 - \frac{\pi}{4}$$

  3. C.

    $$\displaystyle \tan^{-1}(2)$$

  4. D.

    $$\displaystyle \frac{\pi}{4}$$

Correct answer: D
Second Fundamental Theorem of Calculus

Let $$H(x) = \displaystyle\int_{x^2}^{2x} \sqrt{t^3 + 1} dt$$. What is the value of $$H'(1)$$?

  1. A.

    $$\displaystyle 4 - \sqrt{2}$$

  2. B.

    $$\displaystyle 6 + 2\sqrt{2}$$

  3. C.

    $$\displaystyle 2\sqrt{9} - \sqrt{2}$$

  4. D.

    $$\displaystyle 6 - 2\sqrt{2}$$

Correct answer: D
Second Fundamental Theorem of Calculus

Let the function $$R$$ be defined by $$ R(x) = \int_{3}^{x} \left( \frac{2}{\sqrt{t}} + t^{3/2} \right) dt $$. Which of the following is an expression for $$R'(x)$$?

  1. A.

    $$ -\frac{1}{x^{3/2}} + \frac{3}{2}\sqrt{x} $$

  2. B.

    $$ \frac{1}{\sqrt{x}} + \sqrt{x^3} $$

  3. C.

    $$ \frac{2}{\sqrt{x}} + x^{3/2} $$

  4. D.

    $$ 4\sqrt{x} + \frac{2}{5}x^{5/2} $$

Correct answer: C
Second Fundamental Theorem Of Calculus

Which of the following equations represents the Second Fundamental Theorem of Calculus?

  1. A.

    $$\int_{a}^{a}f(x) dx = 0$$

  2. B.

    $$\frac{d}{dx}\int_{a}^{x}f(t)dt=f(x)$$

  3. C.

    $$\int_{a}^{b}f(t) dt = F(b)-F(a)$$

  4. D.

    $$\int_{a}^{b} f(x) dx = \lim\limits_{n \to \infty} \sum\limits_{i=1}^{n}\Delta x \cdot f(x_i)$$

Correct answer: B
Second Fundamental Theorem of Calculus

Let the function `h` be defined by `h(x) = $\displaystyle\int_{0}$ˣ e^(t³) dt`. If `h(a) = 5` for some constant `a`, which of the following statements must be true?

  1. A.

    h'(a) = e^(a³)

  2. B.

    a = 5

  3. C.

    h'(a) = 3a²e^(a³)

  4. D.

    $\displaystyle\int_{0}$ᵃ e^(t³) dt = 0

Correct answer: A
Second Fundamental Theorem Of Calculus

Which of the following statements correctly defines the Second Fundamental Theorem of Calculus?

  1. A.

    If f(x) is differentiable on an interval [a, b], then the integral of f'(x) is equal to F(x) evaluated at b minus F(x) evaluated at a

  2. B.

    If f(x) is differentiable on an interval [a, b], then the integral of f'(x) is equal to f(b) - f(a)

  3. C.

    If f(x) is continuous on an interval [a, b], then the integral of f(x) is equal to F(b) - F(a), where F(x) is the antiderivative of f(x)

  4. D.

    If f(x) is continuous on an interval [a, b], then the integral of f(x) is equal to the derivative of F(x) evaluated at b

Correct answer: C
Second Fundamental Theorem of Calculus

Let g(x) = $\displaystyle\int_{0}$ˣ sin(t²)dt. What is the value of g'(π)?

  1. A.

    cos(π²)

  2. B.

    sin(π²)

  3. C.

    2π·cos(π²)

  4. D.

    $\displaystyle\int_{0}$ᵖ 2t·cos(t²)dt

Correct answer: B
Second Fundamental Theorem of Calculus

The Second Fundamental Theorem of Calculus establishes a relationship between which of the following concepts?

  1. A.

    Algebra and Calculus

  2. B.

    Accumulation and Decumulation

  3. C.

    Differentiation and Integration

  4. D.

    Chain Rule and Reverse Chain Rule

Correct answer: C
Second Fundamental Theorem Of Calculus

If $$F(x) = \int_{0}^{x} (1 + \cos(t)) dt$$, what is $F'(x)$?

  1. A.

    $\cos(x)$

  2. B.

    $1 + \cos(x)$

  3. C.

    $-\sin(x)$

  4. D.

    $\sin(x)$

Correct answer: B
Second Fundamental Theorem Of Calculus

Let g be the function defined by g(x) = $$\int$$(1 to x) sin(t²) dt. What is the value of g'(4)?

  1. A.

    sin(16)

  2. B.

    sin(4²)

  3. C.

    $$\int$$(1 to 4) cos(t²)·2t dt

  4. D.

    sin(1) - sin(4)

Correct answer: A