The domain is all real numbers except when the denominator equals zero:
x2 - 4 = 0
x2 = 4
x = 2, -2
So the domain is all real numbers except 2 and -2.
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Any subset of the real numbers which excludes the value -8
5 divided by 8
32
The domain and range of Y = 1.3x + 8 are both [-infinity, +infinity]
I am going to assume you meant "all divided by 8." The answer is 4. (30/8)