Question

.Given f(x) = 3x + 1 when x ≤ 0; x² when 0 < x < 4; and x-5 when x ≥ 4, evaluate f(3).

f(3) = 10

f(3) = 9

does not exist

f(3) = -2

Answer 1

f(3) = 9

Explanation:

f(3) should be in 0<x<4

so f(3) = 3^2

f(3) = 9