Question

dada a função determine f:R definida por f (x)=2×-8 determine: f (0)

Answer 1

F(0)= 2.0-8
F(0)=0-8
F(0)=-8

Answer 2

Se
f(x) = 2x - 8
f(0) = 2.0 - 8
f(0) = 0 - 8
f(0) = -8

Se
$f(x)=2^{x} - 8 \\ f(0)= 2^{0} - 8 \\ f(0) = 1-8 \\ f(0) = -7$