Asked by Caden
The height h (in feet) of a fly ball in a baseball game can be modeled by h=-16^2+28+8, where t is time.
A. Do both t-intercepts of the graph of the function have meaning in this situation? Explain?
B. No one caught the fly ball. After how many seconds did the ball hit the ground?
A. Do both t-intercepts of the graph of the function have meaning in this situation? Explain?
B. No one caught the fly ball. After how many seconds did the ball hit the ground?
Answers
Answered by
oobleck
There's a typo. It should read
h = -16t^2 + 28t + 8
A. No. The ball starts at a height of 8 ft, so the negative x-intercept occurs before it was hit.
B. Just solve for t when h = 0
h = -16t^2 + 28t + 8
A. No. The ball starts at a height of 8 ft, so the negative x-intercept occurs before it was hit.
B. Just solve for t when h = 0
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