1. Basic Functions and Their Graphs
Section 1.2

2. Objectives Determine if an equation gives y as a function of x .
Determine if a graph is a function.
Calculate a function value shown in function notation from an equation.
Calculate a function value shown in function notation from a graph.
Determine the domain and range (where possible) of a function given as a graph.
Calculate the x-intercepts and y-intercepts of a function from a graph.

3. Vocabulary
function notation
domain
range
x-intercept
y-intercept

4. Find the x-intercept(s) and y-intercept(s).

5. Determine whether the equation defines y as a function of x.

6. Is the following graph the graph of a function?

7. Is the following graph the graph of a function?

8. Is the following graph the graph of a function?

9. Determine the indicated values of the function

10. Determine the indicated values of the function h shown in the graph