Question

If A = { 5,6,7,8,9}B = { 7,8,3,2,1 }, then 1 point

AUB = ? *

O {1,2,3,5,6,7,8,9 }

O {7,8}

O {9}

O O {1,2,3 }​

Answer 1

Answer:

{1,2,3,5,6,7,8,9}

Step-by-step explanation:

union mean all elements of both sets