Question

1)Dada a função f:R definida por f(x)= -2.x- 2, determine:

a) f(-1)

b) f(2)

c) f(0)

Answer 1

f(x) = -2x - 2

a) f(-1) = -2•(-1) - 2 = 2 - 2 = 0

b) f(2) = -2•2 - 2 = -4 - 2 = -6

c) f(0) = -2•0 - 2 = 0 - 2 = -2