SOLUTION: Use the difference quotient to find the average rate of change for this function F(X) = 5-4x. If someone could help I am completely lost.
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Question 894116: Use the difference quotient to find the average rate of change for this function F(X) = 5-4x. If someone could help I am completely lost. Answer by rothauserc(4718) (Show Source):
You can put this solution on YOUR website! The difference quotient in calculus is defined as
[ f (x + h) – f(x) ] / h
now we need to calculate f(x+h) given f(x) = 5-4x, therefore
f(x+h) = 5-4(x+h) = 5 -4x -4h
now for the difference quotient
(5 -4x -4h -5 +4x) / h = -4h/h = -4
