Question

scrie elementele multimilor A={x apartine N | x<5
B={y apartine N | y=2x+1, x apartine A
C={z apartine N | z=2^x, x apartine A}

Answer 1

A= {0,1,2,3,4}
2*0+1=1
2*1+1=3
2*2+1=5
2*3+1=7
2*4+1=1
B= {1,3,5,7,9}
2⁰=1 ; 2¹=2 ;2²=4; 2³=8 ; 2⁴=16
C= {1,2,4,8,16}