Question

how do i start the problem? this is on finding limits

Answer 1

just plug in x=-3 :)

Answer 2

The answer would be an imaginary number.

Answer 3

i didn't do imaginary numbers

Answer 4

i tried multiplying the conjugate and it didn't work ..... also when i plug in -3 i get a non real answer

Answer 5

http://www.wolframalpha.com/input/?i=limit+x-%3E%28-3%29%5E-++of+x%2Fsqrt%28x%5E2-16%29

the answer is an imaginary number, whether you do it or not :)