Question

數學不好

求解找極限函數值或者為什麼不存在，還有想問x->-3右上的正號與x->-3有甚麼區別？還有b連題目都不太了解要求什麼,c的話有哪些不是連續的？求求各位大神了🙏

20. The graph of f is given.
(a) Find each limit, or
explain why it does
not exist.
(i)_lim_ƒ(x)
x−2+
(ii) lim_ f(x)
x--3+
(iii) lim f(x)
x--3
(iv) lim f(x)
X→4
(v) lim f(x)
x->0
0
(vi) lim f(x)
x→2-
(b) State the equations of the vertical asymptotes.
(c) At what numbers is f discontinuous? Explain.