roseycrystal10 roseycrystal10
  • 22-01-2020
  • Mathematics
contestada

If f(x)=3x−2, find f(8)−f(5)

Respuesta :

HamK
HamK HamK
  • 22-01-2020

Answer: 9

Step-by-step explanation:

f(x)=3x−2

Put x = 8 in f(x)=3x−2

f(8)=(3×8)-2

= 24 - 2

= 22

Put x = 5 in f(x)=3x−2

f(5) =(3×5)-2

= 15 - 2

= 13

f(8)−f(5)

22 - 13

9

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