Six more than a number is negative thirty-one

How do the graphs of y = 1/x and y=5/x+6 compare?

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?

Identify the number as a rational or irrational.explain. 127