Chapter 9 Test Flashcards Preview

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Flashcards in Chapter 9 Test Deck (20)
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1
Q

Evaluate the indefinite integral ∫(2x^4+√3x+1)dx.

A

2/5 x^5+2√3/3 x^3/2+x+C

2
Q

Evaluate the indefinite integral∫x^3+3x^2−ln3/√x dx

A

2/7 x^7/2+6/5 x^5/2−(2ln3)x^1/2+C

3
Q

Evaluate the indefinite integral∫⎛⎝e^x/5+x^2√x⎞⎠dx.

A

e^x/5+2/7x^7/2+C

4
Q

Evaluate the indefinite integral∫sin x/cos√2dx.

A

−cos x/cos√2+C

5
Q

Evaluate the indefinite integral ∫dx/(5x−3)^2.

A

-1/5(5x-3) + C

6
Q

Evaluate the indefinite integral ∫dx/√x(1−√x)^3

A

1/(1−√x)^2+C

7
Q

Evaluate the indefinite integral ∫x^2dx/x^3−e^3

A

1/3ln∣x^3−e^3∣+C

8
Q

Use the substitution u=(x^4+3x^2+5)to evaluate the integral∫(4x^3+6x)cos(x^4+3x^2+5)dx.

A

sin (x ^4 + 3x ^2 + 5) + C

9
Q

Use the substitution u=(7x+9) to evaluate the integral ∫sec^2(7x+9)dx .

A

1/7tan(7x+9)+C

10
Q

Which of the following values of u is the correct substitution to use when evaluating the integral ∫x^3e^(2x^4−2)dx ?

A

(2x^ 4 − 2)

11
Q

Use the substitution u=6+e^x to evaluate the integral∫e^x/6+e^x dx .

A

ln|6+e^x|+C

12
Q

Evaluate ∫(12x^3−18x−27)e^(x^4−3x^2−9x+1)dx.

A

3e^(x^4−3x^2−9x+1)+C

13
Q

What is the area beneath the curve y = e^ 3x + 3 from x = −1 to x = 4?

A

1/3(e^15−1)

14
Q

What is the area beneath the curve y = x^1/2+1/x from x = 4 to x = 9?

A

38/3+ln9/4

15
Q

What is the area between the curve h(x)=sin x+cos x and the x-axis from x= 0 to x = π/2?

A

2

16
Q

What is the area beneath the curve g (x) = e^ x + 2x + cos x from x = π to x = 2π?

A

e^2π−e^π+3π^2

17
Q

Evaluate ∫ 2 -1 5 1/(9−x^2)^3/2dx.

A

2/9 √5+5/36 √2

18
Q

Evaluate ∫3 −1 7 x/√36−x^2 dx.

A

−21√3+7√35

19
Q

Approximate the integral ∫ 6 2 x^2 dx using the trapezoidal rule N=4.

A

70

20
Q

Approximate this integral ∫π/2 π/4 sin(x) dx using the trapezoidal rule with N=4.

A

0.705

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