A cell phone company charges a monthly fee of $45 for a single phone line and $15 for every gigabyte (GB) of data used per month. Write a function that models the total monthly cost of the cell phone line.
A. f(x) = 30x
C.
f(x) = 15 + 45x
B.
f(x) = 60x
D.
f(x) = 45 + 15x

if im undersanding the question correctly, its organized from 10

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i think the answer is seven, for if i'm being useless °ω°

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if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )

whatvare the choices

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