1 and 2 I hope this help you :)
Answer:
i am very sorry i dont know the answer....
again very sorry...
Step-by-step explanation:
Answer:
hope it helps.................
Answer:
all real numbers or 
Step-by-step explanation:
since both f(x) and g(x) are polynomials, neither of them have restrictions on their domains. Since they can be defined for all real numbers. It's not like the square root which has a domain of (0, infinity), or log x which is defined only from (0, infinity). So adding these two polynomials would result in a domain of all real numbers.
Answer:
To much info
Step-by-step explanation: