Back to Interpret parameters in context — Problem 5 · Task Set 61

HSF.LE.B.5 Tutor Intake — Interpreting Linear and Exponential Parameters

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Grade 9·11 problems·~13 min·Common Core Math - HS Functions·group·hsf-le-b-5
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A

Procedures

1.

The function C(x)=0.15x+45C(x) = 0.15x + 45 models a monthly phone bill (in dollars) where xx is the number
of minutes used.

What is the base monthly charge in dollars — the cost when zero minutes are used?