Question

Quanto vale f(2) - f (-4) ?

Answer 1

f (2)=
f(-4)=
f= 2-(-4)
f=2+4
f=6

boa tarde :)

Answer 2

f(2) = -3 * 2 + 4
f(2) = -2

f(-4) = -3 * (-4) + 4 
f(-4) = 16

-2 + 16 = 14

Logo, f(2) - f(-4) = 14