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orbie
Group Title
Find the average rate of change of the function f over the given interval. f(x)=0.25x^4x^29x+8 from x=4 to x=3
 2 years ago
 2 years ago
orbie Group Title
Find the average rate of change of the function f over the given interval. f(x)=0.25x^4x^29x+8 from x=4 to x=3
 2 years ago
 2 years ago

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freckles Group TitleBest ResponseYou've already chosen the best response.1
\[\frac{f(4)f(3)}{43}\] Use this to find the slope of the secant line from x=4 to x=3
 2 years ago

orbie Group TitleBest ResponseYou've already chosen the best response.1
I don't understand how you put that into the problem.
 2 years ago

freckles Group TitleBest ResponseYou've already chosen the best response.1
No you put the problem into that
 2 years ago

freckles Group TitleBest ResponseYou've already chosen the best response.1
Do you know how to find f(4)?
 2 years ago

orbie Group TitleBest ResponseYou've already chosen the best response.1
Would you put it into the equation?
 2 years ago

freckles Group TitleBest ResponseYou've already chosen the best response.1
Replace the x's in your function with 4's
 2 years ago

freckles Group TitleBest ResponseYou've already chosen the best response.1
Then to evaluate f(3) Replace the x's in your function with 3's
 2 years ago

orbie Group TitleBest ResponseYou've already chosen the best response.1
So what I got is for f(4)= 92 and f(3)= 7.75...is that right?
 2 years ago

freckles Group TitleBest ResponseYou've already chosen the best response.1
That is right ! :)
 2 years ago

freckles Group TitleBest ResponseYou've already chosen the best response.1
\[\frac{92(7.75)}{43}\]
 2 years ago

orbie Group TitleBest ResponseYou've already chosen the best response.1
Ooooh wow I get it now! Thank you so much!
 2 years ago
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