The fractions three eights times fourteen and four six

If f(x)= 3x+6 which of the following is the inverse of f(x)

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

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?