keather58
keather58 keather58
  • 24-11-2017
  • Mathematics
contestada

Write a linear function f with the values f(-1)=8 and f(5)=6

A function is f(x)=__

Respuesta :

tynollette tynollette
  • 24-11-2017
find the slope: m=(6-8)/[5-(-1)]=-1/3
y=-1/3 x+b
find b: 8=-1/3 *(-1)+b =>b=23/3
so the equation is f(x)= -1/3 x + 23/3
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