we have

Step 
<u>Clear the variable y</u>

Adds
both sides


Step 
<u>Convert in function notation</u>
Let


therefore
<u>the answer is</u>

Answer:
i think it's congruent .
Step-by-step explanation:
Answer: Option: (B) The range of both f(x) and g(x) is all nonzero real numbers is correct.
Step-by-step explanation: ..................Because I said so............................
The answer is one solution. Hope this helps