SOLUTION: Given f(x)=8x-9;D={Reals},g(x)=x-4;D={Integers}, find the algebraic difference {f-g}(x). I worked it out to =7x-5. Am I correct?

Algebra ->  Functions -> SOLUTION: Given f(x)=8x-9;D={Reals},g(x)=x-4;D={Integers}, find the algebraic difference {f-g}(x). I worked it out to =7x-5. Am I correct?      Log On


   

Question 185453This question is from textbook saxon algebra 2
: Given f(x)=8x-9;D={Reals},g(x)=x-4;D={Integers}, find the algebraic difference
{f-g}(x).
I worked it out to =7x-5.
Am I correct? This question is from textbook saxon algebra 2

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%28f-g%29%28x%29=f%28x%29-g%28x%29=%288x-9%29-%28x-4%29=8x-9-x%2B4=7x-5


So %28f-g%29%28x%29=7x-5 which means that you're correct.