A Point Is Moving Along the Circle in Such

question 68

Multiple Choice

A point is moving along the circle in such a way that its x -coordinate is decreasing at a rate of 3 units per second. At what rate is the y -coordinate decreasing at the instant when the point has reached ( 2, 2) ?

• A)8 units per second
• B)6 units per second
• C)10 units per second
• D)7 units per second
• E)5.5 units per second

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