What is the range of the function #f(x)= (x+7)/(2x-8)#?
You are not 'allowed' to divide by 0. The proper name for this is that the function is 'undefined'. at that point.
So the function is undefined at
Domain and Range
In the alphabet d comes before r and you have to input (
So you consider the range as the values of the answer.
So we need to know the values of
So the range is all values between negative infinity and positive infinity but excluding 4
In set notation we have: