Mathematics: a football was kicked vertically upward from a height of 4 feet with an initial speed of 65 feet per second. the formula h=4+65t-16t^2 describes the balls height above ground, h, in feet, t seconds after it was kicked. Use the formula to find the ball s height 2 seconds after it was kicked.

a football was kicked vertically upward from a

unkno

02.02.2022

70 feet

Step-by-step explanation:

Given

h=4+65t-16t^2

Required

Determine h when t = 2

Substitute 2 for t in the given equation

h=4+65 * 2-16* 2^2

Solve all exponents

h=4+65 * 2-16* 4

h=4+130-64

h=70

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ladybugys

29.11.2021

answer:

well done, good grades!

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