9. a)
A football is kicked into the air. It's height in meters after t seconds is given by h(t) = -4.2(t – 3.2)2 + 25.
What was the height of the football when it was kicked?
I
b)
What was the maximum height of the ball?
At what time was the maximum height reached?
c)
How high was the ball after 1 second?
d)
Was the ball still in the air after 5 seconds?
0

(-1,0) and (4,0) are x-intercepts.

step-by-step explanation:

x-intercepts are all points on the x-axis.

points (-1,0) and (4,0) are both x -intercepts.

the correct answer to your question is a. 4^4

good luck my friend!

hope this !

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! < 3

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she will most likely have 33  

step-by-step explanation:

the expected value of the random variable : 0, 1 and 2

step-by-step explanation: