Which represents a function?

Shryia read a 481 -page-long book cover to cover in a single session, at a constant rate. after reading for 1.5 hours, she had 403 pages left to read. how fast was shryia reading? pages per hour how long did it take her to read the entire book? hours plz i realy need this

Graph the equation by plotting point x=2

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?