Question

se f (x)= 2x entao os valores de f(0); f(-1); f (2); f (-2) sao respectivamente:

a) 2; 2; 4; -4
b) 0, 2, 16, 16
c) 0, -2, 16, -16
d) 0, -6, 56, -16

Answer 1

f(0) = 2.0 = 0
f(-1) = 2.(-1) = -2
f(2) = 2.2 = 4
f(-2) = 2.(-2) = -4