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 February 7th, 2016, 06:15 PM #1 Member   Joined: Jan 2016 From: Canada Posts: 40 Thanks: 0 Exponential Functions Hi, I am working on the exponential functions but the answers I am getting from my calculator does not seem to be matching with the book answers. For example, 116.75e^.101(4) = 516.63. However, the answer in the book is 175. I dont understand what I am doing wrong.
 February 7th, 2016, 06:49 PM #2 Senior Member   Joined: Dec 2012 From: Hong Kong Posts: 853 Thanks: 311 Math Focus: Stochastic processes, statistical inference, data mining, computational linguistics The book is calculating $\displaystyle 116.75e^{.101 \cdot 4}$, and you're calculating $\displaystyle 116.75e^{.101} \cdot 4$...
February 7th, 2016, 06:56 PM   #3
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 Originally Posted by 123qwerty The book is calculating $\displaystyle 116.75e^{.101 \cdot 4}$, and you're calculating $\displaystyle 116.75e^{.101} \cdot 4$...
I am sorry I dont understand. .101.4? how?

February 7th, 2016, 06:58 PM   #4
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 Originally Posted by 123qwerty The book is calculating $\displaystyle 116.75e^{.101 \cdot 4}$, and you're calculating $\displaystyle 116.75e^{.101} \cdot 4$...
atari,

in your calculator try entering it as this:

116.75e^(.101*4)

(Note that 175 is rounded to the nearest integer.)

February 7th, 2016, 07:05 PM   #5
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 Originally Posted by Math Message Board tutor atari, in your calculator try entering it as this: 116.75e^(.101*4) (Note that 175 is rounded to the nearest integer.)
Got it, thank you so much.

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