- (a) The average rate of change of a function f between x = a and x : between (a, f(a)) and (b, f(b)). b is the slope of the. line (b) The average rate of change of the linear function f(x) = 3x + 5 between any two points is .

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A: Gradient or slope of a line is calculated as  Change in y / Change in x

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Q: for #16

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Q: The average rate of change of the linear function f(x) =3x +5 between any two points is_________ .

A: Given that: The linear function f(x) = 3x + 5.

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A: Average rate of change can be calculated as follows:

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Q: ATTACHED THANKYOU

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A: Marginal cost of production of box of DVD's is given below C'(x) = 11 + x250000 Fixed cost = 100000

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