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 th
e average monthly cost of owning the cell phone, what is the range of the function?
R: ℝ
R: (–∞, ∞)
R: (0, 400)
R: (50, 450)
1 answer:
Answer:
its c
Step-by-step explanation:
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