Question

Dada a função f(×)=2×-4 determine
B) f(2}=
C) f(0)=
D) f(-1)=

Answer 1

,nn entendi pod dar mais detale

Answer 2

$a) f(2)= 2^2-4=0 \\ b)f(0)=2^0-4=-3 \\ c)f(-1)=2^-^1-4= \frac{1}{2}-4=0,5-4=-3,5$