Answer to Question #66193 in Calculus for suraj

Question

5. a) An efficiency study of the workers at a factory shows that an average worker who
comes to work at 8:00 am will have produced t Q(t) t 9t 12 3 2 = − + + units t hours
later. At what time during the morning is the worker performing most efficiently. (5)
b) If x y tan−1 = , obtain an equation showing the relationship between n 2 n 1 y , y + + and
n y .

Answer 1

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