CHENDESHEN
16.02.2021 •
Mathematics
Evaluate each expression.
3) 19C3
A) 969
C) 5,814
B) 484
D) 1,130
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Ответ:
31.64 feet
Step-by-step explanation:
The height is given by the equation:
where x is the horizontal distance of the projectile from the face of the cliff.
If the height is maximum, then its derivative must be h'(x)=0. Remembering that the derivative of is , we have:
And we want h'(x)=0, so:
This will give us the horizontal distance from the face of the cliff when the height of the projectile is at its maximum. We then do: