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if P = {x:x is odd, $-1 < x \leq 20$ } and Q is {y:y is ...

if P = {x:x is odd, $-1 < x \leq 20$ } and Q is {y:y is prime, $-2 < y \leq 25$ , find P $\cap$ Q

A.

{3,5,7,11,17,19}

B.

{3,5,11,13,17,19}

C.

{3,5,7,11,13,17,19}

D.

{2,3,5,7,11,13,17,19}

View answer & explanation

Correct answer is C

P = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19}

Q = {-1, 3, 5, 7, 11, 13, 17, 19, 23}

P $\cap$ Q = {3, 5, 7, 11, 13, 17, 19}

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