Brainly7io
Brainly7io Brainly7io
  • 18-04-2020
  • Mathematics
contestada

A plumber charges a $70 call-out fee and then $90 per hour. Write an expression for the total cost of calling a plumber for x hours.

Respuesta :

lher3700
lher3700 lher3700
  • 18-04-2020

Answer:

f(x)=90x+70

Step-by-step explanation:

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