anonymous
  • anonymous
Find the average rate of change of the function f over the given interval. f(x)=0.25x^4-x^2-9x+8 from x=-4 to x=3
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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freckles
  • freckles
\[\frac{f(-4)-f(3)}{-4-3}\] Use this to find the slope of the secant line from x=-4 to x=3
anonymous
  • anonymous
I don't understand how you put that into the problem.
freckles
  • freckles
No you put the problem into that

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freckles
  • freckles
Do you know how to find f(-4)?
anonymous
  • anonymous
Would you put it into the equation?
freckles
  • freckles
Replace the x's in your function with -4's
freckles
  • freckles
Then to evaluate f(3) Replace the x's in your function with 3's
anonymous
  • anonymous
So what I got is for f(-4)= 92 and f(3)= -7.75...is that right?
freckles
  • freckles
That is right ! :)
freckles
  • freckles
\[\frac{92-(-7.75)}{-4-3}\]
anonymous
  • anonymous
Ooooh wow I get it now! Thank you so much!

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