document.write( "Question 458818: If a function g is such that g(-1)=-7 and g(3)=8 then how do i go about finding an equation for g(x) if g(x) is a linear function??????????? \n" ); document.write( "
Algebra.Com's Answer #314726 by stanbon(75887)\"\" \"About 
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If a function g is such that g(-1)=-7 and g(3)=8 then how do i go about finding an equation for g(x) if g(x) is a linear function???????????
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\n" ); document.write( "You have 2 points: (-1,-7) and (3,8)
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\n" ); document.write( "slope = (8--7)/(3--1) = 15/4
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\n" ); document.write( "Form: y = mx + b
\n" ); document.write( "8 = (15/4)3 + b
\n" ); document.write( "32/4 = 45/4 + b
\n" ); document.write( "b = -13/4
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\n" ); document.write( "Equation:
\n" ); document.write( "y = (15/4)x - (13/4)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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