SECTION 2.5

Exercise 2

Solutions are and

Exercise 4

Solutions are and

Exercise 8

Exercise 12 Solution is (0, 9)

Exercise 16

Exercise 20

Exercise 36

SECTION 3.1

Exercise 2 This y is not a function of x since there are more values of x for each y.

Exercise 6

Exercise 8

Exercise 12

Exercise 16

Exercise 24

Regardless of what x is substituted for this is a constant function.

Exercise 32

Exercise 34

Exercise 44

Exercise 50

x 0 (2000)

x 10 (2010)

x 15 (2015)

x 25 (2025)

SECTION 3.2

Exercise 2

Exercise 6

Exercise 14...