pleases help me!!!!!
Is it possible for x = −2 to be in the Domains of the functions
a) R(x) =3x^3-5x+6/x+2
b) H(x)=√x+1
Explain why or why not for each function.
What are the Domains of the functions R(x) and H(x)? If required, use inf for ∞.

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if you plug -2 in for x in equation a what would you end up with in the denominator?

4?

-2 + 2 = ?

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