Which of the following numbers belong to the set of complex numbers and the set of imaginary numbers? select all that apply. (3 total)

a. 3i
b. -5i
c. 6-i
d. √21
e. -√16
f. √-14

i believe it's a, b, and c.

Find the x coordinate of the point.

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]

Which function has the domain x> -11