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anonymous
 one year ago
Average rate of change question
anonymous
 one year ago
Average rate of change question

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Use the definition: Let \((a,f(a))\), and \((b,f(b))\) be two points on the graph of a function \(f\). Then the average rate of change of \(f(x)\) as \(x\) changes tfrom \(a\) to \(b\) is defined by \(\dfrac{\Delta y}{\Delta x}\) \(\dfrac{f(b)  f(b)}{b  a}\), \(a \ne b\). You may know this definition in this form: \(\dfrac{y_1  y_1}{x_2  x_1}\) You are given two points. \((1991, 4993)\); \((1995, 16258)\) Simply plugin you given values, and you will get your average rate of change between those two points. (Also know as slope.)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I got 2941.25 as the average rate of change but it said it's incorrect.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@amistre64 Is there any chance you could tell me why my answer is incorrect?

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1hmm, 91 to 95 is 4 years 4993 to 16258 16258 4993  11265 is the change over 4 years is this what you got for the parts?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh! I made a silly mistake. Yep, 11265 is the right answer for part a, and 2816.25 is the answer for part b. Thanks so much!

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1yeah, thats what im getting :)
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