How do you find the average slope of this function $f(x)=3x^3−2x$ on the interval (2,4)?

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Answer 1 · 2015-04-14T16:47:08

The phrase "average slope" is new to me, but I'm willing to bet that it's the same as average rate of change, or slope of the secant line, that is:

$(f(4)-f(2))/(4-2)$ .

Do the arithmetic.

How do you find the average slope of this function f(x)=3x^3−2x f(x)=3x^3−2x on the interval (2,4)?