Question

Evaluate the piecewise-defined function.
f(x) =
4x if x < 0
5 − x if 0 ≤ x < 4
|x| if x ≥ 4

a. f(-0.5)
b. f(0)
c. f(4)

Answer 1

a.) f(-0.5) = 4(-0.5) = -2

b.) f(0) = 5 - 0 = 5

c.) f(4) = |4| = 4