document.write( "Question 288619: Given f(3)=12 and f(5)=-2, find f(one seventh).\r
\n" ); document.write( "\n" ); document.write( "a. 5 and one seventh
\n" ); document.write( "b. 18 and one seventh
\n" ); document.write( "c. 32
\n" ); document.write( "d. 34
\n" ); document.write( "

Algebra.Com's Answer #209192 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
(5,-2)
\n" ); document.write( "(3,12)
\n" ); document.write( "if this is a linear relationship
\n" ); document.write( "(y-y)/(x-x)=m
\n" ); document.write( "12-(-2)/3-5
\n" ); document.write( "14/-2=-7
\n" ); document.write( "12=-7*3+b
\n" ); document.write( "33=b
\n" ); document.write( "y=7x+33
\n" ); document.write( "y=7*(1/7)+33
\n" ); document.write( "y=34
\n" ); document.write( "
\n" ); document.write( "
\n" );