If the point (2,8) is on the graph of a one-to-one function f(x), find the value of f(2)+f−1(8).

If f(-2) = 5, identify a point on the graph of f.

RyAnne has 8 coins and decided to begin a collection.    On the first day of collecting, she has 32 total coins in her collection    On the second day of collecting, she has 128 total coins in her collection   On the third day of collecting, she has 512 total coins in her collection Write a function that represents the number of coins as a function of the number of days, x.

A 1000-square-foot rectangular plot of land is going to be divided into three equal-sized, adjacent playgrounds (see diagram). Find the number of feet of fencing required as a function of x. (Note: there is only one fence between the playgrounds, not two.) Answer: