SOLUTION: Find the average height of a castle door bounded by the parabola y = 4 -x^2 and the x-axis. Please explain Thank you!

Question 1003299: Find the average height of a castle door bounded by the parabola y = 4 -x^2 and the x-axis.

Please explain
Thank you!
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
the average height of a castle door bounded by the parabola and the x-axis
parabola or has negative sign in front of , so and parabola opens downwards
then the vertex is its maximum which is at or at point (,)
the average height of a castle door bounded by the parabola will be equal to coordinate of the vertex which is units above axis

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