document.write( "Question 162640This question is from textbook saxon algebra 2
\n" ); document.write( ": What kind of variation is this?\r
\n" ); document.write( "\n" ); document.write( "Area of a circle=PI(radius)^2 \n" ); document.write( "

Algebra.Com's Answer #119859 by KnightOwlTutor(293) $\"\"$ $\"About$

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Direct. as x increases in value so does y. An indrect would be PI/r^2 \n" ); document.write( "

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