Determine whether the function f: zxz → z
is one-to-one? is onto?
a) f(m, n) =m+n.
b) f(m, n) = m2 + m2.
c) f(m, n) =m.
d) f(m, n) = n.
e) f(m, n) =m- n.

A(t)=728(1+0.04)^t how much money did aditya originally invest

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Which of the following is a solution of z^6 = 64i? 2(cos105° + isin105°) 2(cos120° + isin120°) 2(cos135° + isin135°) 8(cos15° + isin15°)