On a camping trip you bring 12 food items for 4 dinners. for each dinner, you use 3 items. in how many ways can you choose the 3 items for the first dinner?

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 xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

How does reflecting or rotating a figure change the interior angles of the figure?