Question

pra agr me ajudemmm ????

Answer 1

f(x)=3x-6
a)
f(k-2)=3*(k-2)-6
f(k-2)=3k-6-6
f(k-2)=3k-12

b)
f(x+8)=3*(x+8)-6
f(x+8)=3x+24-6
f(x+8)=3x+18

c)
f(t+9)=3*(t+9)-6
f(t+9)=3t+27-6
f(t+9)=3t+21

Bons estudos! Espero que tenha entendido!