For the functions f(x)= square root of x ,and g(x)= 1/x+8, find the following. (a) (f of g)(x) and it’s domain (b) (g of f)(x) and it’s domain

Urgent? will give brainliest given that the blue triangle is a right triangle, which expression correctly gives the area of the red square? a) a2 + b2 b) a2 - b2 c) a2 - c2 d) c2 - a2