A library normally collected $54.00 in fees a month. In March they collected $79.92
What is the percent increase in the number of fees collected in March?

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?