Question

Sendo f(x) = 4x - 2, calcule f(2), f(-2)

Answer 1

f(2)= 4*2-2=6
f(-2)= 4*(-2)-2= -10

Answer 2

$f(x) = 4x - 2$

$f(2) = 4*2 - 2$

$f(2) = 8 - 2$

$\boxed {f(2) = 6}$

$f(-2) = 4*(-2) - 2$

$f(-2) = -8 -2$

$\boxed{f(-2) = -10}$