document.write( "Question 141528: 
Take a look at the table below and write out an equation for f(x) \r\n" );
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document.write( " x   | -2 | -1 | 0 | 1 | 2 |\r\n" );
document.write( "f(x) | -5 | -2 | 1 | 4 | 7 |

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Algebra.Com's Answer #103141 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Plot them\r\n" );
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document.write( "They looks as though a line will pass through \r\n" );
document.write( "them, so we draw a line through them:\r\n" );
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document.write( "Now all we need to do is find the equation of\r\n" );
document.write( "that line:\r\n" );
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document.write( "So pick any two of those points, say, (0,1) and (1,4)\r\n" );
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document.write( "\"m+=+%28y2-y1%29%2F%28x2-x1%29+=%284-1%29%2F%281-0%29+=+3\"\r\n" );
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document.write( "Since (0,1) is the y-intercept, we can just use\r\n" );
document.write( "the slope-intercept form, with \"m=3\" and \"b=1\"\r\n" );
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document.write( "\"y+=+mx%2Bb\"\r\n" );
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document.write( "\"y+=3x%2B1\"\r\n" );
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document.write( "Change the \"y\" to \"f%28x%29\"\r\n" );
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document.write( "\"f%28x%29=3x%2B1\"\r\n" );
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document.write( "Edwin
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