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?

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b. When is it slowing down?

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High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?