A ball is launched upward from a height 40 feet above ground level. The ball’s height at tseconds is given by ℎ(?) = −16?2 + 128? + 40. (SLO #1, 6)a. At what time(s) will the ball be at 100 feet? Show your work. Round answer(s) tothe nearest tenth.b. In your own words, explain what was happening with the flight of the ball at the time(s)that it was at 100 feet.
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
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A ball is launched upward from a height 40 feet above ground level. The ball’s height at t
seconds is given by ℎ(?) = −16?
2 + 128? + 40. (SLO #1, 6)
a. At what time(s) will the ball be at 100 feet? Show your work. Round answer(s) to
the nearest tenth.
b. In your own words, explain what was happening with the flight of the ball at the time(s)
that it was at 100 feet.
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