Assume that the function f is a one-to-one function. (a) If f(8) = 4, find f ^-1(4).
Your answer is

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

What is the area of the trapezoid shown ?

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?