The function h(x)=−(x−4)2+300ℎ(𝑥)=-(𝑥-4)2+300 gives a metal ball's height above the ground in feet x𝑥 seconds after it is thrown off of a building, where 0≤x≤200≤𝑥≤20. Which of the following is the best interpretation of the vertex of the graph of y=h(x)𝑦=ℎ(𝑥) in the xy𝑥𝑦-plane?The ball's minimum height occurs at 4 secondseliminateThe ball's maximum height occurs at 4 secondseliminateThe ball is initially thrown from a height of 300 feeteliminateThe ball's minimum height is 300 feet
Question
The function h(x)=−(x−4)2+300ℎ(𝑥)=-(𝑥-4)2+300 gives a metal ball's height above the ground in feet x𝑥 seconds after it is thrown off of a building, where 0≤x≤200≤𝑥≤20. Which of the following is the best interpretation of the vertex of the graph of y=h(x)𝑦=ℎ(𝑥) in the xy𝑥𝑦-plane?The ball's minimum height occurs at 4 secondseliminateThe ball's maximum height occurs at 4 secondseliminateThe ball is initially thrown from a height of 300 feeteliminateThe ball's minimum height is 300 feet
Solution
The best interpretation of the vertex of the graph of y=h(x) in the xy-plane is that the ball's maximum height occurs at 4 seconds.
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