vera_ewing
  • vera_ewing
Given an exponential function for compounding interest, A(x) = P(.82)^x, what is the rate of change? A. –18% B. –8% C. 0.82% D. 82%
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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vera_ewing
  • vera_ewing
@welshfella 82%?
welshfella
  • welshfella
No - i think as the principal is decreasing Rate of change = 100-82 = -18% Not absolutely sure though
vera_ewing
  • vera_ewing
@sdfgsdfgs It's -18?

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More answers

welshfella
  • welshfella
yes you'd better check
amoodarya
  • amoodarya
\[a(x)=p*(1+r)^n\]
sdfgsdfgs
  • sdfgsdfgs
the prob is not clear: "rate of change" is not uniform for an exponential function... http://www.regentsprep.org/regents/math/algebra/AE7/ExpDecayL.htm if it is asking for "growth rate", then @welshfella is right on -18%.
vera_ewing
  • vera_ewing
And if it's not asking for "growth rate" then would the answer be different?
sdfgsdfgs
  • sdfgsdfgs
then there be no ans :P
vera_ewing
  • vera_ewing
Okay. Thanks!
sdfgsdfgs
  • sdfgsdfgs
welcome

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