document.write( "Question 987359: Let f(x)= 4x - 7 and g(x)= 5 + 9x. What are f + g and f - g? What are their domains? \n" ); document.write( "
Algebra.Com's Answer #608095 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! The sum of the functions for the first, which is 4x-7+5+9x=13x-2 \n" ); document.write( "The difference of the functions for the second, which is 4x-7 - (5+9x)= -5x-12 \n" ); document.write( "The domain both functions individually is all reals. \n" ); document.write( "The domain of the second function is all reals. \n" ); document.write( " |