If

Find:

(i) f (1/2)

(ii) f (-2)

 

Answers:

(i)

If 0 ≤ x ≤ 1,

f(x) = x

∴ f (1/2) = ½

(ii)

If x < 0,

f(x) = x²

f (–2) = (–2)²

∴ f (–2) = 4