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°:⋆ₓₒ Hope It Helps. . . ₓₒ⋆:°
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Given:
The height of a golf ball is represented by the equation:

To find:
The maximum height of of Anna's golf ball.
Solution:
We have,
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Differentiate with respect to x.


For critical values,
.




Differentiate y' with respect to x.
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
Since double derivative is negative, the function is maximum at
.
Substitute
in the given equation to get the maximum height.
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


Therefore, the maximum height of of Anna's golf ball is 6.25 units.
Answer:
B. 3 + 5i
Step-by-step explanation:
-2i + (9 - 3i) - (6 - 10i) =
= - 2i + 9 - 3i - 6 + 10i
= 5i + 3
= 3 + 5i