Question

Find f(3) for the piece-wise function ​

Answer 1

f(3) = 2

Explanation:

f(3) with x = 3 , in the interval x ≥ 1 , then f(x) = x - 1

substitute x = 3 into

f(x) = x - 1

f(3) = 3 - 1 = 2

thus f(3) = 2