Does the table below represent a direct variation? Explain how you can tell. x y
-2 -10
-1 -8
0 -6
1 -4

How many zeros does the function f(x)=4x3-x2+1 have

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?