1. Let f (x) = √(x + 4) and g(x) = x - 5.
(a) Find (f/g)(- 3). Show work.
(b) Find the domain of the quotient function f/g. Explain.
2. Points (-9, 2) and (-5, 6) are endpoints of the diameter of a circle.
(a) What is the length of the diameter? Give the exact answer, simplified as much as possible. Show work.
(b) What is the center point C of the circle?
(c) Given the point C you found in part (b), state the point symmetric to C about the x-axis.