Question

You join an aerobics class at the local gym. The

cost is $3 per class plus $10 for the initial mem-
bership fee.
17. Write an equation that shows the relationship
between the number of classes n you attend
and the amount you pay p.
18. Evaluate the equation for n = 1, 2, 5, 8, and
10. Organize your results in an input-output
table.
19. Draw a line graph to represent the data in the
input-output table.

Answer 1

#17: p=3n+10

Explanation:

#18:

input output

1 13

2 16

5 25

8 34

10 40

#19: for the line graph, plot the points (1, 13), (2, 16), (5, 25), (8, 34), and (10, 40), and draw a straight line through the points.