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Mathematics, 26.10.2020 18:20 beav0919cnnowyfe2

Please Help, I can't figure this out A particle moves according to a law of motion s = f(t) = t3 - 12t2 + 45t, t 0, where t is measured in seconds and s in feet.

a. When is the particle speeding up?

(?,?)U(?,?)

b. When is it slowing down?

(?,?)U(?,?)


Please Help, I can't figure this out A particle moves according to a law of motion s = f(t) = t3

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