Question

If h(x) = 6 – x, what is the value of (h circle h) (10)?

Answer 1

10

Explanation:

hoh(x) = h(h(x)) = 6 - h(x) = 6 - (6-x) = 6 - 6 + x = x

then

hoh(x) = x

then

hoh(10) = 10