Please help me!! which table represents a function?

What is the volume of this container?

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read

A0.40 kg soccer ball is kicked so that its incoming velocity of 5 m/s is changed to an outgoing velocity of -25 m/s. what impulse does the player apply to the ball?