document.write( "Question 859375: f(x) = x^2 + 2 and g(x) = 2x - 3. Find f (g (-1)) \n" ); document.write( "

Algebra.Com's Answer #517707 by josgarithmetic(39630) $\"\"$ $\"About$

You can put this solution on YOUR website!
Form the composition function and assign x=-1, and evaluate.\r
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\n" ); document.write( "\n" ); document.write( " $\"f%28g%28x%29%29=%282x-3%29%5E2%2B2\"$
\n" ); document.write( " $\"4x%5E2-12x%2B9%2B2\"$
\n" ); document.write( " $\"4x%5E2-12x%2B11\"$
\n" ); document.write( "-
\n" ); document.write( "At $\"x=-1\"$ , $\"f%28g%28-1%29%29=4%28-1%29%5E2-12%28-1%29%2B11=4%2B12%2B11=highlight%2827%29\"$ \n" ); document.write( "

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