Prove segment AM is congruent to segment CM

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

Change negative exponents to positive. then solve. round to four decimal places