Is (10,2),(-3,4),(-10,6),(-3,6) a function

Cody worked 42.5 hours per week in july. this is 12.25 hours more per week than he worked in june. how many hours did cody work per week in june?

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

The graph of y x3 is translated so that the point (1. 1) is moved to (1, 4). what is the equation of the new graph?