May I Please Help Pretty Please

4

Step-by-step explanation:

g(f(h(0))) means

first find h(0)

h(0) = 2

then find f(h(0)) or in short we find f(2)

f(2) = 5

last we find g(5) which is 1

so g(f[h(0)]) = 1

now with the same way, wi can find the value

g(h[f(0)]) = 3

so

g(f[h(0)]) + g(h[f(0)]) = 1 + 3 = 4