Question

If A = {red, black} and B = {red, orange, yellow, green, blue, indigo, violet}, what is A union B?

A) {red, black}
B) {all colors except red and black}
C) {red, orange, yellow, green, blue, indigo, violet, black}
D) { }

my answer is C, am I correct?

Answer 1

Yeah C is right. Because it's both of the sets combined.

Answer 2

@Sophia.13 thanks so much :)

Answer 3

Your welcome :)