Carl spent $140 in six days. He spent $20 on the first day. He spent the same amount of money during the next five days Hel! 100 POINTS

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

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9