A particle is moving in a straight line in such a way that its position at time t (in seconds) is s(t)=t² + 4t+ 5 feet to the right of a reference point, for t≥ 0. (a) What is the velocity of the object when the time is 2 seconds? (b) Is the object moving toward the reference point when t=2? Explain your answer. (c) What is the object's velocity when the object is 17 feet from the reference point?

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