Will give brainiest and plz no wrong answers

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

With: label the vertices and all the elements needed. find x

What are the domain and range of the function f(x)=2^x+1