document.write( "Question 552447: Essay question: Show all work. Suzie's flower shop estimates that supplies costs for one month will be given by the polynomial 5x^2-3x+1. She estimates that utilities cost for one month is given by x-9. Find and simplify an expression that would estimate Suzie's total costs for one month.
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cost for supplies equals 5x^2 - 3x + 1
\n" ); document.write( "cost for utilities equals x - 9
\n" ); document.write( "total cost equals cost for supplies plus cost for utilities.
\n" ); document.write( "this equals 5x^2 - 3x + 1 + (x - 9) which equals:
\n" ); document.write( "5x^2 -3x + 1 + x - 9 which equals:
\n" ); document.write( "5x^2 - 2x - 8
\n" ); document.write( "if we assume that x = 30, then we get the following:
\n" ); document.write( "costs for supplies = 5(30)^2 - 3(30) + 1
\n" ); document.write( "costs for utilities = 30 - 9
\n" ); document.write( "total costs equals 5(30)^2 - 2(30) - 8
\n" ); document.write( "lets see how that works out.
\n" ); document.write( "costs for supplies = 4411
\n" ); document.write( "costs for utilities = 21
\n" ); document.write( "total costs = 4432
\n" ); document.write( "since 4411 + 21 = 4432, the formula for total costs is good.
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