The standard form of an absolute value function is f(x)= a|x-h|+k. Which of the following represents the vertex? A) (-k, h)
B) (-h, k)
C) (k, h)
D) (h, k)

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?