document.write( "Question 326562: I need help with this problem. I have solved it and I got the answer x-5/2 but its not listed as one of the answers and I do not know if I have solved it wrong or not.
\n" ); document.write( "here is the problem:
\n" ); document.write( "if f(x)= 2x+5, then f-1(x)=\r
\n" ); document.write( "\n" ); document.write( "and the answers are:
\n" ); document.write( "a. (1/2)(x-5)
\n" ); document.write( "b.1/2x+5
\n" ); document.write( "c. -2x-5
\n" ); document.write( "d.(1/2x)-(5/2)
\n" ); document.write( "e.(1/2x)+5
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Algebra.Com's Answer #233798 by user_dude2008(1862)\"\" \"About 
You can put this solution on YOUR website!
y=2x+5\r
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\n" ); document.write( "\n" ); document.write( "x=2y+5\r
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\n" ); document.write( "\n" ); document.write( "x-5=2y\r
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\n" ); document.write( "\n" ); document.write( "y = (x-5)/2\r
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\n" ); document.write( "\n" ); document.write( "y = (1/2)(x-5)\r
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\n" ); document.write( "\n" ); document.write( "Answer: A)
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