The answer is 14. your welcome :)
Answer:

Step-by-step explanation:
Given function is
.
Now let's find it's range.
we know that square root function always gives positive output then:






Hence range of the function is
.
we can repeat same process to find the range of all the given choices.
we will find that only 3rd choice has same range.
Hence final answer is 
Answer:
2 over 7
Step-by-step explanation: