Which of the following are identities? Check all that apply.

An astronaut drops a rock into a crater on the moon. the distance, d(t), in meters, the rock travels after t seconds can be modeled by the function d(t)0.82. what is the average speed, in meters per second, of the rock between 5 and 10 seconds after it was dropped?

Chose the graph below that represents the following system of inequality’s

If a is a nonzero real number then the reciprocal of a is