anonymous
  • anonymous
Please help me!! (I WILL MEDAL/FAN) For f(x) = 0.01(2)^x, find the average rate of change from x = 3 to x = 8.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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Vocaloid
  • Vocaloid
average rate of change from x = 8 to x = 3 can be expressed with the formula averate rate of change = [f(8)-f(3)]/(8-3)
anonymous
  • anonymous
f(8)-f(3)/5 ??? @Vocaloid sorry was talking to my mum
Vocaloid
  • Vocaloid
almost done, now we need to find f(8)-f(5) what is f(8)?

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More answers

anonymous
  • anonymous
umm..... 8??*_* (Confused)
Vocaloid
  • Vocaloid
f(x) = 0.01(2)^x, right? f(8) = ?
Vocaloid
  • Vocaloid
f(8) means find f(x) when x = 8
anonymous
  • anonymous
f(8)=.01(2)^8
Vocaloid
  • Vocaloid
right, can you type that out onto a calculator please and tell me what you get?
anonymous
  • anonymous
2.56
Vocaloid
  • Vocaloid
right! now, can you find f(3) using the same pattern?
anonymous
  • anonymous
.08
Vocaloid
  • Vocaloid
right! f(8) = 2.56 f(3) = 0.08 so what is f(8)-f(3)?
anonymous
  • anonymous
2.48
Vocaloid
  • Vocaloid
right! final step: [f(8)-f(3)]/5 = ?
anonymous
  • anonymous
.496
Vocaloid
  • Vocaloid
yup, we're done!
anonymous
  • anonymous
thanks youuuu!!! :)

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