Ezekielcassese
29.07.2020 •
Mathematics
A baseball is hit into the air, and its height h in feet after t seconds is given by h(t)= -16t^2+128t+2. The height of the baseball when it is hit is ? The baseball reaches its maximum height after ? The maximum height of the baseball is ?
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Ответ:
Step-by-step explanation:
Hello,
To know the height of the baseball when it is hit we have to compute h(0), as t = 0 is when the baseball is hit into the air.
So, the answer is 2 feet.
h(x) is a parabola which can be written as , it means that the vertex is the point (-b/2a,h(-b/2a)).
The baseball reached its maximum height after
And the maximum height of the baseball is h(4).
Hope this helps.
Do not hesitate if you need further explanation.
Thank you
Ответ:
as the original price is 180 so 180*4/9= 80