document.write( "Question 1156108: For the following exercise, write a linear function to model the given data and make the indicated estimation. See Example 7. (Objective 6)
\n" ); document.write( "Suppose that the average tuition for a full-time undergraduate student in a public college in 2002 was $5,370. Suppose it was $8,720 in 2012. Using the linear function model, estimate the cost (in dollars) of tuition in 2018.
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Algebra.Com's Answer #778816 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
2012 is 10 yrs after 2002
\n" ); document.write( "You are given 2 points on a straight line
\n" ); document.write( "( 0, 5370 )
\n" ); document.write( "( 10, 8720 )
\n" ); document.write( "Let $\"+x+\"$ = year - 2002
\n" ); document.write( "Let $\"+y+\"$ = tuition in dollars
\n" ); document.write( "----------------
\n" ); document.write( "Use the general point-slope formula
\n" ); document.write( " $\"+%28+y+-+5370+%29+%2F+%28+x+-+0+%29+=+%28+8720+-+5370+%29+%2F+%28+10+-+0+%29+\"$
\n" ); document.write( " $\"+%28+y+-+5370+%29+%2F+x+=+3350+%2F+10+\"$
\n" ); document.write( " $\"+%28+y+-+5370+%29+%2F+x+=+335+\"$
\n" ); document.write( " $\"+y+-+5370+=+335x+\"$
\n" ); document.write( " $\"+y+=+335x+%2B+5370+\"$
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\n" ); document.write( "In 2018:
\n" ); document.write( "2018 - 2002 = 16 yrs
\n" ); document.write( "( 16, y )
\n" ); document.write( " $\"+y+=+335%2A16+%2B+5370+\"$
\n" ); document.write( " $\"+y+=+5360+%2B+5370+\"$
\n" ); document.write( " $\"+y+=+10730+\"$
\n" ); document.write( "The tuition estimate for 2018 is $10,730
\n" ); document.write( "---------------------------------------------
\n" ); document.write( "check:
\n" ); document.write( "Here's the plot:
\n" ); document.write( " $\"+graph%28+500%2C+500%2C+-2%2C+20%2C+-1500%2C+15000%2C+335x+%2B+5370+%29+\"$ \r
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