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Lina20 [59]
3 years ago
8

d = {x|x is a whole number} e = {x|x is a perfect square between 1 and 9} f = {x|x is an even number greater than or equal to 2

and less than 9} which of the following is d ∩ f? a. {4, 6} b. {2, 4, 6} c. {2, 4, 6, 8} d. {2}
Mathematics
2 answers:
anyanavicka [17]3 years ago
8 0

Answer:

Correct option is:

c. {2, 4, 6, 8}

Step-by-step explanation:

d = {x|x is a whole number}

i.e. d={0,1,2,3,...}

f = {x|x is an even number greater than or equal to 2 and less than 9}

i.e. f={2,4,6,8}

Intersection(∩) of two sets gives the element which is common in both the sets

d∩f={0,1,2,3,...}∩{2,4,6,8}

     = {2,4,6,8}

Hence, Correct option is:

c. {2, 4, 6, 8}

Alexxandr [17]3 years ago
5 0
D=\{0;\ 1;\ 2;\ 3;\ 4;...\}\\E=\{4\}\\F=\{2;\ 4;\ 6;\ 8\}\\\\D\ \cap\ F=\{2;\ 4;\ 6;\ 8\}=F\to\boxed{c.}\\conclusion\ F\subset D
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2 years ago
Lisa wants to buy material for her dress. If she buys 7metres, she is 1 dollar short. If she buys 5metres, 5 dollars is left ove
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