Question

Income is a function of the number of hours (h) worked per week.

A. If you earn $12 an hour, complete the table showing the number of hours worked during a week and the total income for that week.



h (hours)

5

8

24

35

I (income)











B. Using the definition of a function, explain if this is a function.



C. Which variable is the independent variable?



D. Use the data points from the table to sketch the graph. Make sure to appropriately scale and label each axis.



E. Using the graph explain if this relationship is a function.

Answer 1

if it is 5h then it will be 5×12=$60

8×12=$96

24×12=$288

35×12=$420