DESIGUALDADES SIMPLES LINEALES BANCO DE EJERCICIOS
Enviado por Rebecca • 10 de Diciembre de 2018 • 1.258 Palabras (6 Páginas) • 472 Visitas
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-1/3 ≤ x < 2/3
-3 ≤ 6(0) - 1 < 3 1/3 0 2/3
-3 ≤ - 1 < 3
-3 ≤ 6 (-1/3) < 3
-3 ≤ -6/3 < 3
-3≤ - 2 < 3
-3≤ 6 (2/3) < 3
-3 ≤ 12/3 < 3
-3 ≤ 4 < 3
2) -1 ≤ 2 - 3x ≤ 11 [-1, 3)
-1 - 2 ≤ 2 - 3 x - 2 ≤ 11 - 2
-3 ≤ 3x ≤ 9
-3 (1/3) ≤ 3x (1/3) ≤ 9 (1/3)
-1/3 ≤ x ≤ 9/3
-1 ≤ x ≤ 3
-1 ≤ 2 - 3 (0) ≤ 11 -1 0 3
-1 ≤ 2 ≤ 11
-1 ≤ 2 - 3 (-1) ≤ 11
-1 ≤ 3 ≤ 11
- 1≤ 2 - 3 (3) ≤ 11
-1 ≤ - 7 ≤ 11
3) 2/3x - 2 < 2x - 3 < 6 + 2/3x ( 3/4, 27/4)
2/3x - 2 - 2/3x < 2x - 3 < 6 + 2/3x
-2 < 4/3 x - 3 < 6
-2 + 3 < 4/3x - 3 + 3 < 6 + 3
1 < 4/3x - 3 + 3 < 6 + 3
1 (3/4) < 4/3x (3/4) < 9 (3/4)
3/4 < x < 27/4
2/3(0) - 2 < 2(0) - 3 < 6 + 2/3(0) 0 3/4 27/4
-2 < - 3 < 6
2/3(3/4) - 2 < (3/4) - 3 < 6 + 2/3(3/4)
6/12 - 2 < 6/4 – 3 < 6 + 6/12
-18/12 < 6/4 < 78/12
-3/2 < -3/2 < 13/2
2/3(27/4) - 2 < 2(27/4) - 3 < 6 + 2/3(27/4)
54/12 -2 < 54/4 – 3 < 6 + 54/12
30/12 < 18/14 < 126/12
5/2 < 9/2 < 21/2
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