keapip keapip
  • 09-03-2022
  • Mathematics
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Given the functions f(x)=7-2x and g(x)=5x-3 find g(f(-4)) find f(g(x))

Respuesta :

samuellai03
samuellai03 samuellai03
  • 15-03-2022

Answer:

g(f(-4)) = -8

f(g(x)) = 13-10x

Step-by-step explanation:

g(f(-4)):

Plug in the equation f(x) into the variable x of g(x), we have:

[tex](gof)= 5(7-2x)-3[/tex]

Plug in x = -4 and the answer is -8

f(g(x)):
Plug in the equation g(x) into the variable x of f(x), we have:

[tex]7-2(5x-3) = 7-10x+6 = 13-10x[/tex]

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