document.write( "Question 979718: the length of a rectangle is 4 times the width. let y be the width and x be the length. Write a function for the perimeter of the rectangle as a function of x.
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Algebra.Com's Answer #601036 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! the length of a rectangle is 4 times the width. \n" ); document.write( " let y be the width and x be the length. \n" ); document.write( " Write a function for the perimeter of the rectangle as a function of x. \n" ); document.write( "The perimeter: \n" ); document.write( "p = 2x + 2y \n" ); document.write( "\"the length of a rectangle is 4 times the width. \" \n" ); document.write( "x = 4y but can we can also write this as: y = .25x and replace y with .25x \n" ); document.write( "p(x) = 2x + 2(.25x) \n" ); document.write( "p(x) = 2x + .5x \n" ); document.write( "p(x) = 2.5x \n" ); document.write( " |