Question

dada a função f(x)=8x-4, calcule:
A. F (-1)
B. F (0)
C. F (-2)
D. F (1/2)

Answer 1

a) 8.(-1)-4 = -8-4 = -12

b) 8.0-4 = -4

c) 8.(-2)-4 = -16-4 = -20

d) 8.(1/2)-4 = (8.1/2)-4 = 4-4 = 0

a= -12 b= -4 c=-20 d=0