Answer: the answer is 0.32
Step-by-step explanation: first then
If you are asking how long the string is or the hypotenuse it would be about 75.89466
4Th option is correct ✔️ ✔️
notice that the denominator can be factored into (x-3)(x+3).
Now you can cross out (x - 3) from the numerator and denomiantor resulting in a simplified fraction of 
Plug the limit value (which is 3) into the simplified fraction.
Answer: 