6 (6 + 7) = show work

Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b