The college student who is looking for a data plan for her cell phone found a third option, which also offers a 2 gigabyte monthly allowance for data.
The monthly cost of this option can be represented by function C defined by:
C(x) = 30x + 5, where x is the gigabytes of data used over the monthly allowance.
1. Find C(0.7) and explain what it means in this situation,

C(0.7) = 26

Step-by-step explanation:

Given:

C(x) = 30x + 5

where,

x = gigabytes of data used over the monthly allowance.

1. Find C(0.7) and explain what it means in this situation

C(0.7) means he used 0.7 gigabytes of data over the monthly allowance

Substitute x = 0.7 into the equation to find the monthly cost of the option

C(x) = 30x + 5

C(0.7) = 30(0.7) + 5

= 21 + 5

= 26

C(0.7) = 26

When x = 0.7, his total cost will be 26

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step-by-step explanation:

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