Question

dada a função do 1º grau f(x)=1-5x determine

A) f(0)
B) f(-1)
C) f(-1/5)

Answer 1

a) F(0) = 1 - 5.0
    F(0) = 1 - 0
    F(0) = 1

b) F(-1) = 1 - 5.(-1)
    F (-1) = 1 + 5
    F(-1) = 6

c) F(-1/5) = 1 - 5.(-1/5)
    F(-1/5) = 1 + 1
    F (-1/5) = 2