7. Graph the ordered pairs in the table of values.
8. Circle the table(s) of values that show a linear relation. Explain your answer.
A shows a linear relation because "l" goes up by 2, and "m" goes up by 2 starting at 7.
9. The table of values represents a linear relation.
a. Graph the ordered pairs.
b. What is the difference in value for consecutive x-values?
The value of x increases by 1.
c. What is the difference in value for consecutive d-values?
The value of d increases by 3.
d. The d-value is 3 times the x-value.
e. Write an expression for d in terms of x.
10. For what number of hours is it cheaper to rent by the day rather than by the hour? Show your work.
The answer is 5 hours.