anonymous
  • anonymous
What is the average rate of change from x = -4 to x = 1? https://vvsd6966-vvagpeap-ccl.gradpoint.com/Resource/8685581,0/Assets/71871_53b5a642/03_12_26.jpg -3 -1 0 1
Mathematics
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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anonymous
  • anonymous
@dan815 @ganeshie8
ganeshie8
  • ganeshie8
average rate of change is same as the slope
ganeshie8
  • ganeshie8
given two points, do you know how to find the slope ?

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anonymous
  • anonymous
Yes.
ganeshie8
  • ganeshie8
good, see if you can find the slope of the segment joining below two points : |dw:1447393056684:dw|
anonymous
  • anonymous
Do we assume y = 0?
anonymous
  • anonymous
Oh!
anonymous
  • anonymous
(1, -1) (-4, 4) 4 - (-1)/-4 -1 5/-5 -1
ganeshie8
  • ganeshie8
More precicely : average rate of change between two points is "defined" as the slope of the secant line connecting those two points
ganeshie8
  • ganeshie8
Looks good !
anonymous
  • anonymous
Thanks!
ganeshie8
  • ganeshie8
you could also see it from the graph : The secant line in red is falling by 1 unit as you go right by 1 unit. So the average rate of change over the given interval is -1 |dw:1447393486016:dw|

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