document.write( "Question 1153309: iven
\n" );
document.write( "f(x) = 2x2 + 1
\n" );
document.write( " and
\n" );
document.write( "g(x) = 5x − 9,
\n" );
document.write( " find the following.
\n" );
document.write( "(a)
\n" );
document.write( "f(g(2))\r
\n" );
document.write( "\n" );
document.write( "(d)
\n" );
document.write( "(g ∘ g)(x) \n" );
document.write( "
Algebra.Com's Answer #775508 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! (f o g)(x) = 2(5x-9)^2 +1 = 2(25x^2 -90x +81) +1 = 50x^2 -180x +162 +1 = \n" ); document.write( "50x^2 -180x +163 \n" ); document.write( ": \n" ); document.write( "(a) f(g(2) = 50 * 2^2 -180 * 2 +163 = 3 \n" ); document.write( ": \n" ); document.write( "(d) (g o g)(x) = 5(5x-9) -9 = 25x -45 -9 = 25x -54 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |