document.write( "Question 1040235: Out of these four functions, which is not periodic? Its given that no function has a period greater than 2π.
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Algebra.Com's Answer #655022 by Edwin McCravy(20077) $\"\"$ $\"About$

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document.write( "[Notice about the above graphs:  On the far left end, \r\n" );
document.write( "the x-coordinates are all , and on the right\r\n" );
document.write( "end they are , as those are partly cut off the\r\n" );
document.write( "pictures.]\r\n" );
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document.write( "A is clearly periodic.  The first period\r\n" );
document.write( "starts at  and ends at .\r\n" );
document.write( "Then at  it starts repeating that exact same \r\n" );
document.write( "figure and ends it at .  Then it starts again at\r\n" );
document.write( " and it is assumed top repeat that figure over\r\n" );
document.write( "and over indefinitely.\r\n" );
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document.write( "C is clearly periodic. At  it starts repeating\r\n" );
document.write( "the same figure as the figure between  to .\r\n" );
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document.write( "D is very clearly periodic.  It repeats the same v-shape\r\n" );
document.write( "over and over.\r\n" );
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document.write( "B is NOT periodic because it does not repeat the same figure\r\n" );
document.write( "at all.\r\n" );
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document.write( "Edwin

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