The function above models the height h, in feet, of an object above ground t seconds after being launched straight up in the air. What does the number 72 represent in the function?
A
The initial height, in feet, of the object
B
The maximum height, in feet, of the object
C
The initial speed, in feet per second, of the object
D
The maximum speed, in feet per second, of the object
Correct answer: A
Explanation
Choice A is correct. The variable t represents the seconds after the object is launched. Since , this means that the height, in feet, at 0 seconds, or the initial height, is 72 feet.
Choices B, C, and D are incorrect and may be the result of misinterpreting the function in context.
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id cb_question_bank:b2d6b3c6-66df-4b0c-b474-2f066a449430 · question 5bf0f84a · IBN 10571-DC
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