plzhelp48 plzhelp48
  • 09-06-2016
  • Mathematics
contestada

whicg is an exponential decay function?


thx

whicg is an exponential decay function thx class=

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EXCELLENCE101 EXCELLENCE101
  • 09-06-2016
The second one is a decay function because the value in parentheses is less than one. 
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caylus
caylus caylus
  • 09-06-2016
Hello,

a^x is an exponentiel decay function if 0<a<1

7/4>1
(4/5)^-1 >1
(8/7)^-1 =7/8 <1 ******
9/2 >1

Answer C
 


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