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A college student is looking for a data plan for her cell phone. She has found an option that offers a 2 gigabyte monthly allowance for data. The monthly cost of this plan can be represented by function C, defined by: C(x) = 30x + 5, where x is the gigabyte of data used over the monthly allowance.

Her budget is $50 a month. To find out how many gigabytes of data she could use if she chose this plan, she writes C(x)=50 and solves for x. What value for x makes this equation true? Group of answer choices
A. x = 2
B. x = 3.5
C. x = 1.5

2 Answers

3 votes

Answer:

it would Be C. x=1.5

Explanation:

30×1.5=45

45+5=50

User PSyToR
by
5.1k points
2 votes
Answer: C
c(x)=50
50=30x+5
45=30x
x=1.5
User Simpleton
by
5.5k points
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