Exponential and Logistic Modeling on a Graphing Calculator
Key Questions
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I don't think you can make a model with the
#e# or the two#k# and the#t# . However, you can make a#y=ab^x# model using the Exponential Regression key. To use this, go to STAT#-># CALC#-># and scroll down until you see "ExpReg".Then, if you have data entered into your STAT key, then you'll get a model for that.
Hope that helps :)
Darshan Senthil
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1
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Feb 19 2015
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I assume you mean the "A" as in the initial value of
#y=Ae^(rt)# ?#y# -interceptThe "a" value occurs at
#t=0# , so#e^0=1# , therefore#y=A# is#(0,A)# , the#y# -intercept.
David Britz
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1
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Apr 21 2015
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Consider the exponential function
#f(x)=a^(kx)# , where#a# and#k# are constant,#a, k in RR# .I prepared a dynamic plot that can be used to study the properties of the exponential function as
#a# and#k# take various values.Please use the provided sliders to change the values of the parameters
#a# and#k# and see what happens to the graph of the function.Pay particular attention to the cases when
# 0 < a < 1 # and# a > 1# . For each of these cases, see what happens when#k<0# and#k>0# .
Alex Boroda
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1
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Jun 3 2015
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Answer:
See the video from YouTube.
Explanation:
The following steps shown on the TI-84 is the same as the steps found on a TI-83.
Andy Y. · 1 · May 24 2017