I need to Solve for the question mark

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

The graph of y=x3 is transformed as shown in the graph below. which equation represents the transformed function?

How can you use synthetic substitution to tell whether a given binomial is a factor of a polynomial?