If point P (A-1, the square of 1 / A-4) is in the fourth quadrant, then the value range of a is?

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• 1. If point P (a, A-3) is in the fourth quadrant, then the value range of a is () A. -3＜a＜0B. 0＜a＜3C. a＞3D. a＜0
• 2. In the plane rectangular coordinate system, if the point P (m, m-2) is in the fourth quadrant, then the value range of M is () A. m＞2B. m＜0C. 0＜m＜2D. 0≤m≤2
• 3. If the point P (5, y) is in the fourth quadrant, then the value range of Y is () A. y＜0B. y＞0C. y≤0D. y≥0
• 4. In the plane rectangular coordinate system, if P (2x-6, X-5) is in the fourth quadrant, then the value range of X is () A. 3＜x＜5B. -3＜x＜5C. -5＜x＜3D. -5＜x＜-3
• 5. Given that the point m (- 5 + m, - 3) is in the third quadrant, the value range of M is
• 6. Given that the point m (- 35-p, 3 + P) is the point of the third quadrant, then the value range of P is
• 7. If the point P (- m, m-1) is in the third quadrant, then the value range of M is_______ . I must reply today
• 8. Given that the point m (- 35-p, 3 + P) is the third quadrant, then the value range of P?
• 9. If M (A-2, - A + 3) is in the third quadrant, then the value range of a is ()
• 10. It is known that the image with inverse scale function y = m-5 △ x is in quadrant 2 and quadrant 4, and the value range of TM is in quadrant 2 and quadrant 4
• 11. If point P (3-A, 2) is in the second quadrant, then the value range of a is
• 12. If the point P (A-3, a + 1) is in the second quadrant, then the value range of a is:
• 13. Given that point a (2-A, a + 1) is in the fourth quadrant, the value range of a is () A. a＜1B. a＜-1C. -1＜a＜2D. a＞2
• 14. It is known that α is the second quadrant angle, and | α + 2 | ≤ 4, then the value range of α is______ ．
• 15. It is known that a is the second quadrant angle and | a + 2|
• 16. If point a (M + 4,1-2m) is in the fourth quadrant, find the value range of M
• 17. If point P (2m + 1, 3M − 12) is in the fourth quadrant, then the value range of M is______ ．
• 18. Let Sn = 1 / (n + 1) + 1 / (n + 2) + 1 / (n + 3). 1 / 2n, find the value range of Sn That n ∈ n, Sn should be f (n)
• 19. Sn = 1 + 1 / 2 + 1 / 3 +. + 1 / N, f (n) = s2n + 1-sn + 1, finding f (n) > log2 (m-1) - log (m-1) 2 constant holds, the value range of M
• 20. Sn = 1 + 1 / 2 + 1 / 3 +. + 1 / N, f (n) = s2n + 1-sn + 1, f (n) > m is constant, the value range of M is constant