document.write( "Question 314369: If f(x)=3x^2-0-1,find f(0),f(-2),and f(i) \n" ); document.write( "

Algebra.Com's Answer #224741 by JBarnum(2146) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"f%28x%29=3x%5E2-0-1\"$
\n" ); document.write( " $\"f%28x%29=3x%5E2-1\"$
\n" ); document.write( "if f(x)=f(0) then
\n" ); document.write( " $\"f%280%29=3%280%29%5E2-1\"$
\n" ); document.write( " $\"f%280%29=0-1\"$
\n" ); document.write( " $\"highlight%28f%280%29=-1%29\"$
\n" ); document.write( "if f(x)=f(-2) then
\n" ); document.write( " $\"f%28-2%29=3%28-2%29%5E2-1\"$
\n" ); document.write( " $\"f%28-2%29=3%284%29-1\"$
\n" ); document.write( " $\"f%28-2%29=12-1\"$
\n" ); document.write( " $\"highlight%28f%28-2%29=11%29\"$
\n" ); document.write( "if f(x)=f(i) then
\n" ); document.write( " $\"f%28i%29=3%28i%29%5E2-1\"$
\n" ); document.write( "im assuming (i) is imaginary # & not a variable so $\"i=sqrt%28-1%29\"$
\n" ); document.write( " $\"f%28i%29=3%28-1%29-1\"$
\n" ); document.write( " $\"f%28i%29=-3-1\"$
\n" ); document.write( " $\"highlight%28f%28i%29=-4%29\"$ \n" ); document.write( "

\n" );