Explain why the function is discontinuous at the given number a. (Select all that apply.) cos(x) if x 0 O f(0) is undefined. ( lim f(x) does not exist. Of(0) and lim f(x) are finite, but are not equal. lim f(x) and lim f(x) are finite, but are not equal. x - of x - 0 none of the above Sketch the graph of the function. 14 - IT - T 1 -1 -1 -1 -1 O Need Help? Read It