document.write( "Question 32167: How do i write a function rule for buying 3.5 pounds of bananas at the cost of $.39 a pound? \n" ); document.write( "
Algebra.Com's Answer #18711 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Let \"x\" be the number of pounds bought.
\n" ); document.write( "Then f(x)=0.39x
\n" ); document.write( "f(3.5)= 0.39(3.5)= $1.37
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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