shanedawson19
05.05.2020 •
Mathematics
A soccer ball is kicked from ground level. The function y = −12x(x − 4) shows the height (in feet) of the ball, where x is time (in seconds). After how many seconds will the ball hit the ground?
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Ответ:
4 seconds
Step-by-step explanation:
On the ground, height = 0
-12x(x - 4) = 0
x = 0, 4
It was on the ground initially at x = 0, and again at x = 4
Ответ:
$1700 + $190 (32) = $7780