Please help
I struggle in math so if you could help thatd be amazing

Match each function with its rate of growth or decay

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?