Chapter 1.2, Problem 22E

Classify the function as being even, odd, or neither.

4. Which set of ordered pairs does not represent a function? Explain why you chose that answer. a) { (1,-8), (-6, -4), (3,7), (-6,1) } b) { (6,7), (-7, 8), (-4,8), (1,2) } c) { (7,-5), (-8, 2), (-4,6), (1,6) } d) { (-5,5), (5, 1), (6,1), (2,-4) }

A company represents its sales, since sales, since it's opening the function V (6) = 2000, using 1a 20€ +800€ + 300 84² + 10€ +100, the year where V is the total of sales, in millions of dollars, and t is the number of years since 2000 a) How much were the sales in 2000? b) What does the function. amount. the function predict about the of sales many years from now? Explain. c) Algebraically determine the years when the sales are $9500000

28,29,30

Exercises 47 and 48: Determine if the graph represents a function. 47. 48.