Answer:
a. 25
b. 3 seconds
c. 70 metres
d. 6.742 seconds
e. 6 seconds
Explanation:
a. when x=0, all that is left in the equation is 25
b. this is a parabola, so it hits a max at x=3
c. y value when x=3
d. substitue y for 0 and solve for x
e. plug in 25 for y and solve for x