You can put this solution on YOUR website! p(x)=
The domain is the set of all possible x-values.
Sometimes there are restrictions on x. Example:
p(x)=
where x can NOT be negative. So the domain would
be restricted to all non-negative numbers (x>=0)
sometimes x is in the denominator:
since the denominator can NOT be zero, here x can NOT be 3
because x=3 would make the denominator = 0
But in your problem, x is neither under a radical nor in
the denominator.
So,............ there are NO restrictions on x and we say that
the domain is the set of all REAL numbers.
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explained step by step in my free software: Math911
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Professor Martin Weissman
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