Question

2. ¿Cuántos elementos posee: A = {2x + 1 / x eZ-2 < x < 4}?​

Answer 1

Respuesta:

-2<x<4], etonces

x={-1,0,1,2,3,4}

2x+1={2(-1)+1, 2(0)+1, 2(1)+1, 2(2)+1, 2(3)+1, 2(4)+1}

2x+1={-1, 1, 3, 5, 7, 9}

posee seis elementos