document.write( "Question 350018: Please help me solve this equation: Sketch the regions enclosed by the given curves and then find the area of the regions.\r
\n" ); document.write( "\n" ); document.write( "a. \"+y=e%5Ex+\" \"+y=%28x-1%29%5E2+\" and \"+x=2+\"\r
\n" ); document.write( "\n" ); document.write( "b. \"+y=-7-x%2B3x%5E2+\" and \"+y=2x-x%5E2+\"\r
\n" ); document.write( "\n" ); document.write( "c. \"+y=1=cosx+\" and \"+y=cosx+\" \"+0%3C=x%3C=pi+\"
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Algebra.Com's Answer #250218 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"graph%28300%2C300%2C-2%2C4%2C-2%2C4%2Ce%5E%28x%29%2C%28x-1%29%5E2%2C2%29\"
\n" ); document.write( "Find the intersection point between \"y=e%5Ex\" and \"y=2\"
\n" ); document.write( "\"e%5Ex=2\"
\n" ); document.write( "\"x=ln%282%29\"
\n" ); document.write( "So then the area would be,
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\n" ); document.write( "Expand the terms, integrate, and simplify to get the final answer.
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\n" ); document.write( "\"graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C-7-x%2B3x%5E2%2C2x-x%5E2%29\"
\n" ); document.write( "Same procedure.
\n" ); document.write( "Find the two intersection points \"x1\" and \"x2\" by solving,
\n" ); document.write( "\"-7-x%2B3x%5E2=2x-x%5E2\"
\n" ); document.write( "Proceed as above integrating from one intersection point to the other.
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\n" ); document.write( "\"graph%28300%2C300%2C-1%2C4%2C-3%2C3%2C1%2Bcos%28x%29%2C1-cos%28x%29%2Ccos%28x%29%29\"
\n" ); document.write( "I'm not sure if the first function is \"1%2Bcos%28x%29\" or \"1-cos%28x%29\"
\n" ); document.write( "If it's \"1%2Bcos%28x%29\", then the integration is straightforward since
\n" ); document.write( "\"1%2Bcos%28x%29-cos%28x%29=1\"
\n" ); document.write( "Integrating that over \"x=0\" to \"x=pi\" would give you \"A=%28pi-0%29=pi\"
\n" ); document.write( "If it's \"1-cos%28x%29\", then find the intersection point \"x1\" again where,
\n" ); document.write( "\"1-cos%28x%29=cos%28x%29\"
\n" ); document.write( "Then you have to modify the area because at this point the functions cross.
\n" ); document.write( "\"A=int%28%281-2cos%28x%29%29%2Cdx%2C0%2Cx1%29%2Bint%28%282cos%28x%29-1%29%2Cdx%2Cx1%2Cpi%29\"\r
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