PLEASE HELP ASAP I NEED ANSWERS FOR ALL 3 For numbers 7-9, let:
f(x) = 4x + 2
g(x) = x^2 - 1

7. Find (f. g)(x)
8. Find (gºf)(x)
9. Find (f o g)(3)

Carrie and krystal are taking a road trip from greenville each person has her own map carry in north valley or each person has her own map in the scales on the maps are different and carries map read about in northville are 4.5inches apart the scale on a map is 1 inch equals 20 miles how far is greenville from north valley

Find the length of cu, the triangles are similar.

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.