document.write( "Question 1100902: For the function f(x)=3x-2 Find the inverse function f^1(x). Show that f(x) and f^1(x) are inverse functions by compositing ( in both directions) \n" ); document.write( "

Algebra.Com's Answer #715481 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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For the function f(x)=3x-2 Find the inverse function f^1(x).
\n" ); document.write( " Show that f(x) and f^1(x) are inverse functions by compositing ( in both directions)
\n" ); document.write( ":
\n" ); document.write( "y = 3x -2
\n" ); document.write( "swap x and y and solve for y
\n" ); document.write( "3y - 2 = x
\n" ); document.write( "3y = x + 2
\n" ); document.write( "y = $\"%28%28x%2B2%29%29%2F3\"$ is the inverse
\n" ); document.write( "Graphically (assume that is what you mean when you say \"compositing\")
\n" ); document.write( " $\"+graph%28+300%2C+300%2C+-4%2C+4%2C+-4%2C+4%2C+3x-2%2C+%28x%2B2%29%2F3%29+\"$
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