document.write( "Question 48861: Do exponential functions only model phenomena that grow, or can they also model phenomena that decay? Explain what is different in the form of the function in each case \n" ); document.write( "

Algebra.Com's Answer #32359 by Nate(3500) $\"\"$ $\"About$

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Yes, exponential decay and exponential growth exists.
\n" ); document.write( "Exponential Decay
\n" ); document.write( " $\"f%28x%29+=+a%28b%5Ex%29\"$ where $\"0+%3C+b+%3C+1\"$
\n" ); document.write( "ex.) $\"f%28x%29+=+2%281%2F2%29%5Ex\"$
\n" ); document.write( " $\"graph%28600%2C600%2C-10%2C10%2C-10%2C10%2C2%281%2F2%29%5Ex%29\"$
\n" ); document.write( "Exponential Growth
\n" ); document.write( " $\"f%28x%29+=+a%28b%5Ex%29\"$ where $\"b+%3E+1\"$
\n" ); document.write( "ex.) $\"f%28x%29+=+2%282%29%5Ex\"$
\n" ); document.write( " $\"graph%28600%2C600%2C-10%2C10%2C-10%2C10%2C2%282%29%5Ex%29\"$ \n" ); document.write( "

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