document.write( "Question 846532: PLEASE HELP ME! \r
\n" ); document.write( "\n" ); document.write( "Revenues from an electronic device are shown in the table. Let P be the revenue (in millions of dollars) from sales of the device in the year that is t years since 2000.
\n" ); document.write( "Year Revenue (millions of dollars)
\n" ); document.write( "2000 1.24
\n" ); document.write( "2001 1.12
\n" ); document.write( "2002 0.83
\n" ); document.write( "2003 0.73
\n" ); document.write( "2004 0.64
\n" ); document.write( "Question A: Find an approximate equation h(t)= ab^t of the exponential curve that contains the points (0,1.24) and (4,0.64).
\n" ); document.write( "Question B: Find the exponential regression equation.
\n" ); document.write( "Question C: Use r to estimate the percentage rate of decay of revenues from the electronic device.
\n" ); document.write( "Question D: Use r to estimate the revenue from the electronic device in 2012. \r
\n" ); document.write( "\n" ); document.write( "PLEASE HELP ME TO SOLVE THE PROBLEM! I HAVE BEEN STUCK ON THIS PROBLEM FOR A LONG TIME! AND PLEASE SHOW WORK, SO I CAN UNDERSTAND IT!! \r
\n" ); document.write( "\n" ); document.write( "THANK YOU SO MUCH!! \n" ); document.write( "

Algebra.Com's Answer #509785 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( " approximate equation h(t)= ab^t  h(t) = 1.24(.8476)^t
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document.write( "a(b)^0 = 1.24,  
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document.write( ", b =  
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document.write( "exponential regression equation(Used on-line calculator to find, may use TI) 
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document.write( "Y = 1.0124(.9268)^t
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document.write( "(recommend using Your TI as the best source for classroom work)
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document.write( "Using above to estimate the percentage rate of decay of revenues: 
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document.write( "1 + r = .9268, rate of decay = -.0732
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document.write( "h(12) =\r
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document.write( "Note: this is the linear regression line = -.159x + 1.23  for points given
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document.write( "done in Excel
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document.write( "

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