Not sure what this is all about or even how to do it and if anyone have any suggestions; I would greatly appreciate it Thank you!!

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) =

p

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 1.

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