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15-01-2019
Mathematics

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A ball is kicked straight up into the air. The height of the ball in feet is given by the expression -16t2+ 12t+ 4, where t is time in seconds. Factor the expression. Then find the height of the ball after 1 second.

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Аноним Аноним

15-01-2019

Answer:

0 feet.

Step-by-step explanation:

h = -16t^2 + 12t + 4

h = -4(4t^2 - 3t - 1)

= -4(4t + 1)(t - 1)

After 1 second height = -4 * 1 * 0 = 0 feet.

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