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Algebra
Pregunta

A cell phone plan charges \( \$ 46.55 \) per month...

A cell phone plan charges \( \$ 46.55 \) per month plus \( \$ 14.06 \) in taxes, plus \( \$ 0.30 \) per minute for calls beyond the \( 700 \) -minute monthly limit. Write a piecewise- defined function to model the monthly cost \( C ( x ) \) (in \( \$ \) ) as a function of the number of minutes used for the month. 

Answer

\(C(x)= 60.61,0\le x\le 700\\C(x)= =0.3x- 149.39,x> 700\)

Solución
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