document.write( "Question 1113380: Use the function f(x) = 3 – x^2 to find
\n" ); document.write( " a. f(-2) b. f( 2/3 ) c. f(a + 2)
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #728402 by math_helper(2461)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "What you do for these types of problems is substitute for x.
\n" ); document.write( "— \r
\n" ); document.write( "\n" ); document.write( "I will do part (c), where we let x=a+2 in f(x):\r
\n" ); document.write( "\n" ); document.write( " f(x) = \"+3-x%5E2+\"
\n" ); document.write( " f(a+2) = \"+3+-+%28a%2B2%29%5E2++=+3+-+%28a%5E2%2B4a%2B4%29+=++highlight%28+-a%5E2+-+4a+-+1+%29+\"\r
\n" ); document.write( "\n" ); document.write( "The other two parts will produce numeric answers.
\n" ); document.write( "
\n" ); document.write( "
\n" );