8th Function Review

Laney earns $8.50 an hour working as a lifeguard. Write an equation to find Laney's money earned m for any number of hours h.

Make a table to find Laney's earnings using the equation y=8.50x if she works 4, 5, 6, or 7 hours.

Graph the equation y=8.5x on the graph provided.

Find f(2) if f(x) = 2x + 1.

• 5

• 3

• 7

• 9

Find f(−4) if f(x) = −x − 5.

• -9

• -1

• -13

• 1

Graph y = − 2 x - 1.

Graph y = 2x.

What is the y-intercept?

• (-4,0)

• (0,-2)

• (0,0)

What is the slope of the graph?

Write the equation that describes the linear function