Question

Dada a função f(x) = -5x=3, determine A) f(1)= B) f(0)= C) f(-2)=

Answer 1

a)
f(x) = - 5x + 3
f(1) = - 5.1 + 3
f(1) = - 5 + 3
f(1) = - 2

b)
f(0) = - 5.0 + 3
f(0) = 0 + 3
f(0) = 3

c)
f(-2) = - 5.(-2) + 3
f(-2) = 10 + 3
f(-2) = 13