Use s(x)= square root of x-3 and h(x)= x squared +6

Question

Find (s+h)(7) = s(7) + h(7)

Find H(s(19))

Answer 1

s(x) = sqr(x-3)

h(x) = x^2 +6

(s+h)(7) = s(7)+h(7) = sqr(7-3) + 7^2 +6 = 57

h(s(19)) = h(sqr(19-3)= h(sqr16) = h(4) = 4^2 +6 = 22