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September 24, 2014

Homework Help: college algebra--please

Posted by ladybug on Friday, November 2, 2012 at 11:02pm.

I am not understanding this question and I have read the chapter many times. Please help.

given the function of f(x)=4x-8

a. find the the rate of change between the stated values for x:5 to 7

b. find the equation of a secant line containing the given points (5,f(5)), and (7,f(7))

Like I said I have no clue. Can you please show me how you got the answer please?

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