y = 9e^x/e^x-4
I know it is 0 and 9 when I do it in my calculator, but I didn't quite understand algebraically. My professor said the e^x will cancel out but then why doesn't the 4 on the bottom get factored in?
y = 9e^x/e^x-4
I know it is 0 and 9 when I do it in my calculator, but I didn't quite understand algebraically. My professor said the e^x will cancel out but then why doesn't the 4 on the bottom get factored in?