For function g(x), it displays the point (1,9) as part of the function. If (x,y), then we can plug those into the available answers. Plug 1 in for each x value in the function and whichever one equals 9 will be your answer. This is only true for g(x)=(3x)^2.
Ms. Roses rent is $1122.32 each month. This is because their are 12 months in 1 year. When doing the total cost for 1 year which is $13,468.08/12=$1122.32