Chapter 1.2, Problem 21E

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

Describe why the horizontal line test is an effective way to determine whether a function is one-to-one?

Use the Vertical Line Test to determine whether the graph represents y as a function of x.

In Exercises 4-6, determine whether each equation defines y as a function of x. 4. 2x+y = 8 5.3x² + y = 14 6. 2x + y² = 6

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

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

O v Av 出 78 } 1. Use the following table to answer the questions below. X -3 -2 -1 0 1 2 3 f(x) -1.5 T SELLER -0.5 0 0.5 1.5 Ev I a) What is the domain of the function? b) What is the range of the function? C A c) Is the function linear, exponential, or neither? Explain how you know. I Styles ✓ Find v

Determine if number 12 and 13 are linear or nonlinear function. Explain

Determine whether the graph represents a function. Use the vertical line as a example