Question

see attachment. The question for number 6 is which of the following equations is correct?

Answer 1

just plug in the value

Answer 2

(A) 1/2

Answer 3

and what about #7?

Answer 4

7. Limit f(x) = 1 as x approaches the y axis from the left.
Limit f(x) = +Infinity as x approaches the y axis from the right.