7 11/6 x 6 2/5

Please solve

Find the x coordinate of the point.

What is the multiplicative rate of change of the exponential function shown on the graph?

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.