document.write( "Question 930414: I would really like it if you help me in the following function notations questions. \r
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document.write( "Consider the function f(x)=5–x, Evaluate f(21)\r
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document.write( "Consider the function f(x)=3x+5.Evaluate f(2)\r
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document.write( "Consider the function f(x)=5x–1
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document.write( "Determine the value of x if f(x)=9\r
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document.write( "Consider the function f(x)=x+3
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document.write( "Determine the value of x if f(x)=10\r
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document.write( "It would be great if you help me. :) Thanks for your time. I appreciate it! :) \n" );
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Algebra.Com's Answer #564970 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! f(x) = 5 - x \n" ); document.write( "f(21) = 5 - 21 {substituted 21 for x} \n" ); document.write( "= -16 {subtracted}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "f(x) = 3x + 5 \n" ); document.write( "f(2) = 3(2) + 5 {substituted 2 for x} \n" ); document.write( "= 6 + 5 {multiplied} \n" ); document.write( "= 11 {added}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "f(x) = 5x - 1 \n" ); document.write( "If f(x) = 9, then 5x - 1 = 9 \n" ); document.write( "5x - 1 = 9 \n" ); document.write( "5x = 10 {added 1 to each side} \n" ); document.write( "x = 2 {divided each side by 5}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "f(x) = x + 3 \n" ); document.write( "If f(x) = 10, then x + 3 = 10 \n" ); document.write( "x + 3 = 10 \n" ); document.write( "x = 7 {subtracted 3 from each side} \n" ); document.write( " For more help from me, visit: www.algebrahouse.com \n" ); document.write( " |