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23 votes
A cell phone company charges $400 for a new phone and $50 for a monthly plan. If C (t) is a rational function that represents the average monthly cost of owning the cell phone, what is the range of the function? R: ℝ R: (–∞, ∞) R: (0, 400) R: (50, 450)

User Alexander Popov
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2 Answers

4 votes
4 votes

Answer:

D

The R (range) is: (50, 450)

User Nereo Costacurta
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15 votes
15 votes

Answer:

D

Explanation:

R: (50, 450)

User Kamyar Infinity
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