Formula used: (i) f o g = f(g(x))

(ii) g o f = g(f(x))

Given: (i) f is a greatest integer function

(ii) g is an absolute value function

f(x) = [x] (greatest integer function)

g(x) = (absolute value function)

Substituting values from (i) and (ii)

⇒ [1.5] +

⇒ 1 + 1 = 2

Ans) 2