Chapter 2: Differentiation
Chapter 2: Differentiation
1. Find the slope of the tangent line to the graph of the function below at the given point.
f (x) 2x ?10, (3, ?4) A) 2 B) ?2 C) ?10 D) 12 E) none of the above Ans: A
2. Find the slope of the tangent line to the graph of the function at the given point.
f (x) ?5x2 +10, (?2, ?10) A) 20 B) ?5 C) ?10 D) ?20 E) none of the above Ans: A
3. Find the slope of the tangent line to the graph of the function at the given point.
f (x) 2x2 + 6, (3, 24) A) 12 B) 2 C) ?6 D) 18 E) none of the above Ans: A
4. Use the limit definition to find the slope of the tangent line to the graph of f (x) 4x 29 at the point (5, 7) . A) 2 7 B) 2 7 C) 1 7 D) 1 7 E) 1 5 Ans: A
Larson, Calculus: An Applied Approach (+Brief), 9e Page 59
5. Find the derivative of the following function using the limiting process.
f (x) ?2x2 ? 9x
A) ?2 B) ?4x ? 9 C) ?4x + 9 D) ?4x E) none of the above Ans: B
6. Find the derivative of the following function using the limiting process.
f (x) 9x ? 6 A) f (x) 9
2 9x ? 6 B) f (x) 9
2 9x ? 6
C) f (x) 9 9x ? 6 1/2
2 D) f (x) 9
9x ? 6 E) either B or D Ans: A
7. Find the derivative of the following function using the limiting process.
f (x) 2 x?9
A)
f
(
x)
x
2 ?9
2
B)
f
(
x)
x
2 +9
2
C)
f
(
x)
x
2 +
9
D)
f
(
x)
x
2 ?9
2
E) none of the above Ans: D
Larson, Calculus: An Applied Approach (+Brief), 9e Page 60
8. Find an equation of the line that is tangent to the graph of f and parallel to the given line. f (x) 5x2 , 20x y 2 0 A) y 20x ? 20 B) y 20x + 20 C) y ?20x + 20 D) y ?20x ? 20 E) none of the above Ans: A
9. Find an equation of the a line that is tangent to the graph of f and parallel to the given line. f (x) 5x3 , 135x y 6 0 A) y ?135x ? 270 B) y 135x + 270 C) y ?135x + 270 D) y 135x ? 270 E) both B and D Ans: E
Larson, Calculus: An Applied Approach (+Brief), 9e Page 61
10. Identify a function f (x) that has the given characteristics and then sketch the function. f (0) 3; f '(x) 4, x A) f (x) 4x 3
B) f (x) ?4x 3
C) f (x) 4x 3
Larson, Calculus: An Applied Approach (+Brief), 9e Page 62
D) f (x) ?4x 3 E) f (x) 3x + 4
Larson, Calculus: An Applied Approach (+Brief), 9e Page 63
Ans: A 11. Find the derivative of the function.
f (x) x7 A) f (x) 7x7 B) f (x) 7x6 C) f (x) 6x6 D) f (x) 6x8 E) none of the above Ans: B 12. Find the derivative of the function. f (x) 2x3 ? 3x2 +1 A) f (x) 6x2 ? 6x B) f (x) 4x2 ? 3x C) f (x) 4x ? 3x2 D) f (x) 6x2 ? 6x +1 E) none of the above Ans: A
Larson, Calculus: An Applied Approach (+Brief), 9e Page 64
13. For the function given, find
f (x) x3 15x 6
A) x2 15 B) 3x2 6 C) 3x2 15 D) 3x3 15x E) x3 15x 6 Ans: C
f '(x).
14. Find the derivative of the function. h(x) 15x23 11x13 4x10 3x 7
A) 330x22 132x12 36x9 3 B) 345x23 143x13 40x10 3x C) 15x22 11x12 4x9 3 D) 345x22 143x12 40x9 3 E) 330x23 132x13 36x10 3x Ans: D
15. Find the derivative of the function h(x) x5/3 .
A) h '(x) 5 x8/3 3
B) h '(x) 5 x2/3 3
C) h '(x) 5 x2/3 3
D) h '(x) 5 x8/3 3
E) h '(x) 5 x2/3 3
Ans: C
16. Find the derivative of the function s(t) 2x2 8 .
A)
s '(t)
4 x3
B) s '(t) 4 x3
C)
s
'(t)
4 x3
8
D)
s '(t)
4 x3
8
E) s '(t) 2x3
Ans: B
Larson, Calculus: An Applied Approach (+Brief), 9e Page 65
17. Find the derivative of the function.
f
(x)
1 x3
A)
f
( x)
2 x4
B) f (x) 3 x2
C)
f
( x)
3 x4
D)
f
( x)
4 x4
E) none of the above
Ans: C
18. Differentiate the given function.
y
3 4x4
A) 12 x5
B) 3 x4
C) 12 x4
D) 3 x5
E) 4 x5
Ans: D
19. Differentiate the given function.
y
5 (4x)4
A) 80
(4 x)5
B) 20 (4x)5
C) 80 (4x)5
D) 20
(4 x)5
E) 20 (4x)3
Ans: C
Larson, Calculus: An Applied Approach (+Brief), 9e Page 66
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