Compare the x- statistic to standard deviation. How are they the same? How
are they different?

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

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18