8pencels cost 3.44 whates the unit rate of one pencil

Find the third, fifth and seventh term sequence described by each rule a(n)=n+1

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.

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?