Ihave to redo this test and i'm stuck on this question. and show work.

Choose the triangle with x equal to 17.

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.