The height of a soccer ball that is kicked from the ground can be approximated by the function:
y = -14x2 + 70x
where y is the height of the soccer ball in feet x seconds after it is kicked.
What is the soccer ball's maximum height in feet?

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet.what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet