Sf0188 Sf0188
  • 15-12-2018
  • Mathematics
contestada

find f (×-1) when f (×) =-3×+7. find f (x-1). what's the answer?

Respuesta :

frika
frika frika
  • 17-12-2018

Answer:

[tex]f(x-1)=-3x+10[/tex]

Step-by-step explanation:

Substitute [tex]x-1[/tex] instead of [tex]x[/tex] into the function expression:

if [tex]f(x)=-3x+7,[/tex] then

[tex]f(x-1)=-3(x-1)+7=-3x+3+7=-3x+10.[/tex]

You get the expression [tex]f(x-1)=-3x+10.[/tex]

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