February 8, 2005 10:32
L38-ch05
Sheet number 1 Page number 81
black
CHAPTER 5
The Derivative in Graphing and Applications
EXERCISE SET 5.1
1. (a) f > 0 and f > 0
y
(b) f > 0 and f < 0
y
x
x
(c) f < 0 and f > 0
y
(d) f < 0 and f < 0
y
x x
February 8, 2005 10:25
l38-ch03
Sheet number 1 Page number 41
black
CHAPTER 3
The Derivative
EXERCISE SET 3.1
1. (a) mtan = (50 10)/(15 5) = 40/10 = 4 m/s (b)
4 v (m/s)
t (s) 10 20
3. (a) mtan = (600 0)/(20 2.2) = 600/17.8 33.71 m/s 5. Fr
CHAPTER 1
Functions
EXERCISE SET 1.1
1. (a) 2.9, 2.0, 2.35, 2.9 (d) 1.75 x 2.15 3. (a) yes (c) no (vertical line test fails) (b) none (c) y = 0 (e) ymax = 2.8 at x = 2.6; ymin = 2.2 at x = 1.2 (b) yes (d) no (vertical line test fails)
5. (a) arou