Question

Consider the data below which represents how much a cell phone plan

charges per month for a given number of minutes for 3 different plans.



Plan A:



Plan B:



Plan C:



Minutes Cost



0



5



10 6



f(x) = x + 10

Answer 1

A. 10

B. 15

C. 116

Explanation:

A.

f(x) = x + 10

When x is 0

f(x)= 0+10

= 10

B

f(x) = x + 10

When x is 5

f(x)= 5+10

= 15

C

f(x) = x + 10

When x is 106

f(x)= 106+10

= 116