Which is equivalent to (3 + 2i)(3 - 2i)?
A) 5
B) 6
C) 9
D) 13

D

Step-by-step explanation:

(3 + 2i) (3-2i) = 13

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation: