Painless Calculus by Christina Pawlowski

Author:Christina Pawlowski
Language: eng
Format: epub
Publisher: Barrons Educational Series
Published: 2021-04-13T00:00:00+00:00

(Answers are on page 154.)

BRAIN TICKLERS—THE ANSWERS

Set # 17, page 92

1.y – 1 = –4(x + 1)

2.

3.

4.

Set # 18, page 99

1.3

2.0

3.1

4.1

Set # 19, page 118

1.(0, 2)

2.x = –1

3.

4.(3, 162)

Set # 20, page 131

1.Relative maximum at x = –2; relative minimum at x = 0; point of inflection at x = –1, 1, 2

2.f′ (c) = 0 and f″ (c) < 0

3.

4. inch by inch

Set # 21, pages 139–140

1.The particle is moving to the right when t is in the intervals [0, 1) ∪ (2, ∞).

2.The velocity is increasing (a(t) > 0) when t is in the interval (2, ∞).

3.The particle is speeding up when t is in the intervals [0, 1) ∪ (2,∞).

4.The total distance traveled by the particle is 8 units.

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