document.write( "Question 1154261: Amira's car is worth $14,890 now and expected to be worth $11,461 in 3 years. Assuming linear depreciation, find a linear depreciation function for this car and estimate its value in 7 years.\r
\n" ); document.write( "\n" ); document.write( "What is the linear depreciation function for this car?
\n" ); document.write( "f(x)=_______ \n" ); document.write( "

Algebra.Com's Answer #776672 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"+r+\"$ = the rate of depreciation
\n" ); document.write( "Let $\"+x+\"$ = number of years from now
\n" ); document.write( "Let $\"+f%28x%29+\"$ = the current value of the car
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\n" ); document.write( " $\"+f%28x%29+=+14890%2A%28+1+-+r%2Ax+%29+\"$
\n" ); document.write( "and
\n" ); document.write( " $\"+r+=+%28+14890+-+11461+%29+%2F+3+\"$
\n" ); document.write( " $\"+r+=+3429%2F3+\"$
\n" ); document.write( " $\"+r+=+1143+\"$
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\n" ); document.write( " $\"+f%28x%29+=+14890+-+1143x++\"$ answer
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\n" ); document.write( "In 7 years:
\n" ); document.write( " $\"+f%287%29+=+14890+-+1143%2A7+\"$
\n" ); document.write( " $\"+f%287%29+=+14890+-+8001+\"$
\n" ); document.write( " $\"+f%287%29+=+6889+\"$
\n" ); document.write( "The value in 7 yrs is $6,889
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\n" ); document.write( "Here's the plot:
\n" ); document.write( " $\"+graph%28+400%2C+400%2C+-5%2C+15%2C+-1500%2C+18000%2C+14890+-+1143x+%29+\"$ \r
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