document.write( "Question 947646: What would 5 characteristics of this sinusoidal graph be? \r
\n" ); document.write( "\n" ); document.write( "y = 5 sin [3(x-2)] - 1 \r
\n" ); document.write( "\n" ); document.write( "This is what I've figured out; but I want to be sure that I am correct.\r
\n" ); document.write( "\n" ); document.write( "Midline is at y=1
\n" ); document.write( "Amplitude=5
\n" ); document.write( "Maximum=1+5=6
\n" ); document.write( "Minimum=1-5=(-4)
\n" ); document.write( "And the period I have no idea what it is. \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #578297 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!
A sinusoid is the name given to any curve that can be written in the form\r
\n" ); document.write( "\n" ); document.write( "\"y=Asin%28B%28x-C%29%29%2BD\" ................(\"A\" and \"B\" are positive). \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "|\"A\"| = \"amplitude\"\r
\n" ); document.write( "\n" ); document.write( "\"B\" = cycles from \"0\" to \"2pi\"\r
\n" ); document.write( "\n" ); document.write( "\"period+=2pi%2FB\"\r
\n" ); document.write( "\n" ); document.write( "\"D+\"= vertical shift (or displacement)\r
\n" ); document.write( "\n" ); document.write( "\"C+\"= horizontal shift (sometimes called \"phase shift\" when \"B+=+1\")\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "you have\r
\n" ); document.write( "\n" ); document.write( "\"y+=+5+sin+%283%28x-2%29%29-+1+\"\r
\n" ); document.write( "\n" ); document.write( "so,
\n" ); document.write( "
\n" ); document.write( "|\"A\"| = \"5\" (amplitude)\r
\n" ); document.write( "\n" ); document.write( "\"B+=3+\" (cycles from \"0\" to \"2pi\")\r
\n" ); document.write( "\n" ); document.write( "\"period+=2pi%2FB=2pi%2F3\"\r
\n" ); document.write( "\n" ); document.write( "\"D+=-1\" vertical shift (or displacement \"1\" unit \"down\") \r
\n" ); document.write( "\n" ); document.write( "\"C+=2\" ( horizontal shift, \"2\" units \"left\")\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "max\"y+=+5+sin%283+%28x-2%29%29-1\"} = \"4\" at \"x+=+2%2Bpi%2F6%2B%282n%2Api%29%2F3\" for integer \"n\"\r
\n" ); document.write( "\n" ); document.write( "min{ \"y+=+5+sin%283+%28x-2%29%29-1\"} =\"+-6\" at \"x+=+2%2Bpi%2F2%2B%282n%2Api%29%2F3\" for integer \"n\"\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );