The height of a ball in feet is , where is time in seconds. What is the maximum height?
Answer and explanation
Correct answer: C. feet
- Step 1: The vertex occurs at seconds.
- Step 2: Substitute: .
- Step 3: The maximum height is feet.
Answer
feet.
Why not the others: is the height at or ; is the starting height; adds the initial height to the linear term.
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