Question

f(x)=4x-1
a) f(0)
b) f(-1)
c) f(1/8)

Answer 1

a) f(0) = 4 ×0-1 = -1

b) f(-1) = 4(-1) -1 
-4-1 = -5

c) f(1/8) = 4(1/8) - 1 = (4/8)-1 = (1/2) -1 = -1/2