Question

Testul 1 va rog mult de tot​

Answer 1

1. A
2. {10}
3. {3}

1. 2x+3<_9

x=1
2+3=5

x=2
2•2+3=7

x=3
2•3+3=9

a. A={1,2,3}

2. d.28

3. d.59


1. a. {1,2,3,4,5,6,7}
b. {1,2}
c. {4,6,7}
d. {3,5,7}

2. X= {1,2,3,4}
Y = {3,4,5}

3. A={2,4}
B={0,2}
C={3}