document.write( "Question 284: The regular price of a pair of jeans is x dollars. Let f(x) = x - 5 and g(x) = 0.6x. Find (f o g)(x) and describe what this models in terms of the price of jeans. \n" ); document.write( "
Algebra.Com's Answer #128 by whenindoubt(13) ![]() You can put this solution on YOUR website! This is a question about composite functions. \n" ); document.write( "(f o g)(x) can be re written as: \n" ); document.write( "f(g(x)), which means you take the expression g(x) and place the entire g(x) as the variable in f(x).\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "(f o g)(x)= f(g(x))= .6x -5\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "if x is the price of jeans it seems as if the price of jeans is being multiplied by .6 or 60% and then 5 units or in this case dollars are being taken away...\r \n" ); document.write( "\n" ); document.write( "this can be expressed as \" 5 dollars off of 60% of the jeans\" \n" ); document.write( " |