Find the inverse function f -1(x) of the given function f(x).

f(x) = 6 - 0.75( 2x - 4 )

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Calculate the average rate of change over the interval [1, 3] for the following function. f(x)=4(5)^x a. -260 b. 260 c. 240 d. -240

Interpret the following expression (5y^2-7)^3/(2y)^2