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A cell phone company charges its customers a flat fee of $60 each month for calls and texts, plus an additional $5.00 for each gigabyte of data used. What does the y-intercept of the function represent?

A. the flat fee for calls and texts

B. the cost for each gigabyte of data used

C. the total amount of a monthly bill with 1 gigabyte of data used

D. the total amount of a monthly bill with 2 gigabytes of data used

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Respuesta :

  • Flat fee=60
  • Rate of change=5 per GB=Slope

Now

Equation in slope intercept form

  • y=mx+b

If each GB be x

  • y=5x+60

Here

  • yintercept=b=60

Option A is correct

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