Conceptualizing Derivatives - Math

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Question

The speed of a car traveling on the highway is given by the following function of time:

Note that

What does this mean?

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Answer

The function gives you the car's speed at time . Therefore, the fact that means that the car's speed is at time . This is equivalent to saying that the car is not moving at time . We have to take the derivative of to make claims about the acceleration.

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