Suppose that the functions r and s are defined for all real numbers x as follows. r (x)=2x-6
s(x) = 6x
Write the expressions for (r-s)(x) and (r+s)(x) and evaluate (r-s)(2).

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

(60 points) explain this in detail

Identify the parent function that can be used to graph the function f(x)=3(x-9)2