document.write( "Question 1199004: Which of the following is NOT an odd function?\r
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Algebra.Com's Answer #832683 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "A function is even when f(-x) = f(x) \r\n" );
document.write( "A function is odd when f(-x) = -f(x)\r\n" );
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document.write( "A) \"%22f%28x%29%22=3x%5E3%2B5\" \r\n" );
document.write( " <--not an odd function\r\n" );
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document.write( "B) \"%22f%28x%29%22=x\" \r\n" );
document.write( "\"%22f%28-x%29%22=-x=%22-f%28x%29%22\" <--odd function\r\n" );
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document.write( "C) \"%22f%28x%29%22=cos%28x%2Bpi%2F2%29\"\r\n" );
document.write( "When you add 90o to an angle you get the sine in the NEXT quadrant,\r\n" );
document.write( "which always has the opposite sign.\r\n" );
document.write( "So \"%22f%28x%29%22=-sin%28x%29\"\r\n" );
document.write( "    \"%22f%28-x%29%22=-sin%28-x%29=-%28-sin%28x%29%5E%22%22%29=sin%28x%29=-f%28x%29\" <--odd function\r\n" );
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document.write( "D) all the above are odd functions  <--false, A is not\r\n" );
document.write( "Edwin
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