Bob has homework for 4 subjects. he is deciding what order to complete this assignments. How many options does he have?

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

Pick the description of a geometric object that best matches the real world object box for a deck of card

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv