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gtnhenbr [62]
3 years ago
15

A cell phone company charges $300 for a new phone and $40 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: (0, 300)
R: (40, 340)
R: (–∞, ∞)
Mathematics
2 answers:
Leno4ka [110]3 years ago
8 0

Answer:

The $300 charge will last until the new phone is paid off. After that the monthly charge will be $40 only.

<u>The range of the function will be between $40 and $340:</u>

  • R:[40, 340]

Correct choice is C

Zepler [3.9K]3 years ago
7 0
  • Charge for new phone =$300
  • Charge per month as monthly plan=$40

Now

\\ \rm\hookrightarrow \mathbb{R}=(x,y)

\\ \rm\hookrightarrow \mathbb{R}=(40,300)

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