Which of the sets shown includes the elements of set Z that are both odd numbers and multiples of 7? Z = {−21, −14, −7, 0, 7, 14, 21}
Accepted Solution
A:
Answer:B. {−21, −7, 7, 21}
Step-by-step explanation:Choices for this question areA. {−21, 21}
B. {−21, −7, 7, 21}
C. {−14, 0, 14}
D. {−21, −14, −7}We need to pick a set that has elements of Z and they are odd number and multiples of 7.Therefore, the right answer isB. {−21, −7, 7, 21}
Because, this set includes all elements of set Z that are odds and multiples of 7.The choice A doesn't include -7 and 7, which has to.Choice C and D includes even numbers.