What is the greatest common factor of the numerator and denominator of the rational expression below? 5x-20/x^2-2x-8
1 answer:
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Answer:
Step-by-step explanation:
Given
Solving (a):
We have:
Express f(x) as y
Swap x and y
Add 8 to
Square both sides
Rewrite as:
Express y as:
To determine the domain, we have:
The original function is
The range of this is:
The of the
function is the
of the
function.
<em>Hence, the domain is:</em>
