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Suppose an Object Moves Along the Y-Axis So That Its

Question 23

Multiple Choice

Suppose an object moves along the y-axis so that its location is y = f(x) = x² + x at time x (y is in meters and x is in seconds) . Find the instantaneous velocity at x = 4 seconds.


A) 8 m/s
B) 9 m/s
C) 20 m/s
D) 10 m/s

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