Unformatted text preview: x1 (b) f ( x ) = x 2 + x + x1 + x2 (c) f ( x ) = ( x1) √ x 6. A particle moves according to s = f ( t ) = t 44 t + 1 for t ≥ 0, where t is seconds and s is feet. (a) Find the velocity at time t (b) When is the particle at rest? (c) When is the particle moving in the negative direction? (d) Find the total distance traveled during the ﬁrst 8 seconds....
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 Spring '08
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 Derivative, Vector Space, Continuous function, limit deﬁnition

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