Mr stokes placed 5 marbles in a bag. I’m looking for A, B,C, D,E

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

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36