document.write( "Question 674741: Here is my question:
\n" ); document.write( "The total revenue from the sale of a popular book is approximated by the rational function \"R%28x%29=1000x%5E2%2F%28x%5E2%2B4%29\", (X^2 + 4 is on the denominator not separate.)
\n" ); document.write( "where x is the number of years since publication and R(x) is the total revenue in millions of dollars.
\n" ); document.write( "a. Find the total revenue at the end of the first year.
\n" ); document.write( "b. Find the total revenue at the end of the second year.
\n" ); document.write( "c. Find the revenue during the second year only.
\n" ); document.write( "d. Find the domain of the Function R and is it a real number?
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Algebra.Com's Answer #419405 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "a) substitute 1 for x and do the arithmetic.\r
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\n" ); document.write( "\n" ); document.write( "b) substitute 2 for x and do the arithmetic\r
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\n" ); document.write( "\n" ); document.write( "c) subtract the answer to part a from the answer to part b\r
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\n" ); document.write( "\n" ); document.write( "d) the domain of R is the set of real numbers excluding any value that would cause the denominator to be zero. Since there are no real zeros of the denominator polynomial, the domain of R is all real numbers.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "Egw to Beta kai to Sigma
\n" ); document.write( "My calculator said it, I believe it, that settles it
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