42)In a chemical reaction, the amount of grams, Q, of a substance produced in t hours...

42)In a chemical reaction, the amount of grams, Q, of a substance produced in t hours is Q(t) = 40t – 5t2.

(a)How many grams, Q, are present at t = 2 ?

(b) Find the rate that the substance is being produced at t = 3.
(c) At what time, t, is the reaction no longer changing?

Expert Solution

milcah answered 2 years ago

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