Question 105672: I cant solve this
we are supposed to find the domain of this function (this is Algebra 1)
y = 1
_____
x + 4 Answer by bucky(2189) (Show Source):
You can put this solution on YOUR website! Given:
.
.
You are asked to find the domain of this function. The domain is all the values that x
can take.
.
In this problem x can take any real value except x cannot equal -4. Why can't it be -4?
.
The answer is that if x is -4, then the denominator of the given fraction becomes zero ...
-4 + 4 = 0. And since the numerator (which is 1) is divided by the denominator, this means
that 1 would be divided by zero if x is equal to -4. But the rules of algebra tell you
that division by zero is not allowed.
.
So the answer to this problem is that the domain for x is all real numbers from minus infinity
to plus infinity except x cannot equal -4.
.
Hope this helps you to understand the problem.
.
(