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A rock was dropped from the top of a building. The function that describes the height after it was dropped is f(x)=64-16x^2. What are the zeros of the function and what do they mean?

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Answer:


Step-by-step explanation:

f(x) = height = 64 - 16x^2 = 0.

16x^2 = 64

x^2 = 4

x = 2, -2.

The zero x = 2 means that the height after time 2 is 0. This corresponds to the time of the rock hitting the ground.

The -2 can be ignored.

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