document.write( "Question 1021063: f(x)=k(2+x), find the value of k if f^-1(-2)= -3 \n" ); document.write( "

Algebra.Com's Answer #636832 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"k%282%2By%29=x\"$
\n" ); document.write( " $\"2k%2Bky=x\"$
\n" ); document.write( " $\"ky=x-2k\"$
\n" ); document.write( " $\"y=%28x-2k%29%2Fk\"$
\n" ); document.write( "rename y
\n" ); document.write( " $\"f%5E-1%28x%29=x%2Fk-2\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"f-1%28-2%29=%28-2%29%2Fk-2=-3\"$
\n" ); document.write( " $\"2%2Fk%2B2=3\"$
\n" ); document.write( " $\"2%2Fk=1\"$
\n" ); document.write( " $\"highlight%28k=2%29\"$ \n" ); document.write( "

\n" );