document.write( "Question 1109899: Suppose an antique clock is expected to be worth $400 after 3 years and $660 after 5 years. What will the clock be worth after 8 years? \n" ); document.write( "
Algebra.Com's Answer #724870 by josgarithmetic(39623)\"\" \"About 
You can put this solution on YOUR website!
What form of growth is expected?\r
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\n" ); document.write( "\n" ); document.write( "\"y=a%2Ab%5Ex\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%28400=a%2Ab%5E3%2C660=a%2Ab%5E5%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"660%2F400=%28ab%5E5%29%2F%28ab%5E3%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"b%5E2=1.65\"\r
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\n" ); document.write( "\n" ); document.write( "\"b=1.2845\"\r
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\n" ); document.write( "\n" ); document.write( "\"a=400%2Fb%5E3\"\r
\n" ); document.write( "\n" ); document.write( "\"a=400%2F%281.2845%5E3%29\"\r
\n" ); document.write( "\n" ); document.write( "\"a=188.7\"\r
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\n" ); document.write( "\n" ); document.write( "From 5 years to 8 years is a change by 3 years.
\n" ); document.write( "Start value from 5 years was 660.
\n" ); document.write( "\"660%2A1.2845%5E3\"\r
\n" ); document.write( "\n" ); document.write( "\"1399\"\r
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\n" ); document.write( "\n" ); document.write( "Alternate:
\n" ); document.write( "\"188%2A1.2845%5E8\"\r
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\n" ); document.write( "\n" ); document.write( "\"1393\", nearly the same as \"1399\"...\r
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\n" ); document.write( "\n" ); document.write( "If you want a linear fit model, then the procedure is different and gives a different value.
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