If h(x)=(f o g) (x) and h(x)=√x-5, find g(x) if f(x)=√x

Is a positive integer raised to a negative power always positive

Can someone explain to me how to do

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =