How to find the definition field of logarithmic function Y = 1-log2 (4x-5) under the root sign

RELATED INFORMATIONS

• 1. When the absolute values are equal, the sum is ()? When the absolute values are not equal, take the sign of () and subtract ()? When the absolute values are equal, the sum is ()? When the absolute values are not equal, take the sign of () and subtract ()?
• 2. The monotone increasing interval of function y = | LG (x + 1) | is______ ．
• 3. It is known that the function f (x) = X3 + AX2 + BX + 4 is an increasing function on (- ∞, 0) and a decreasing function on (0, 1). (I) find the value of B; (II) when x ≥ 0, the curve y = f (x) is always above the straight line y = a2x-4, and find the value range of A
• 4. If an is an equal ratio sequence composed of positive numbers and A4 * A5 = 8, then log2a1 + log2a2 +... + log2a8=
• 5. The results show that all items of the proportional sequence {an} are positive and A4 * A7 + A5 * A6 = 16, log2a1 + log2a2 +... + log2a10 =?
• 6. It is known that if an is greater than 0, n = 1,2, and A5 is multiplied by 2n of a2n-5 = 2 (n is greater than or equal to 3) It is known that the equal ratio sequence {an} satisfies an > 0, n = 1,2 And a5-a2n-5 = 2 ^ 2n (n > = 3), and when n > = 1, log 2 a1+log 2 a3+… log 2 a2n-1= It is known that the sequence {an} satisfies an > 0, n = 1,2, and a (5) times a (2n-5) = 2 ^ 2n (n > = 3), log 2 a1+log 2 a3+… +log 2 a2n-1=
• 7. It is known that the equal ratio sequence {an} satisfies an ＞ 0, n = 1, 2 When n ≥ 1, log2a1 + log2a3 + +log2a2n-1=（　　） A. （n-1）2B. n2C. （n+1）2D. n2-1
• 8. In the equal ratio sequence, Sn = 1-1 / 2 to the nth power, then a 5 is equal to what
• 9. The power of Sn = 2 in the equal ratio sequence is n + K. then what is k equal to
• 10. If the first n terms of the equal ratio sequence and Sn = 2 (13) n + K, then the value of the constant k is______ ．
• 11. There are two numbers whose absolute value is equal to 1, right or wrong?
• 12. The function f (x) defined on R satisfies f (x + 2) = 2F (x). When x ∈ [0,2], f (x) = x2-2x, then when x ∈ [- 4, - 2], the minimum value of F (x) is___ ．
• 13. Simple calculation of 15 / 0.25
• 14. Let f (x) = (1 + 2x - 3x ^ 2) ^ 6 1) Items with x ^ 2 in F (x) expansion (4x ^ 2 and - 3x ^ 2) 2) The sum of coefficients of all terms in F (x) expansion 3) The sum of coefficients of all odd power terms of X in F (x) expansion The third question is still thinking. Can someone teach me the first two questions?
• 15. Given that the line L passes through the point m (2,3), and the intercept on the x-axis and y-axis is equal, the equation of the line L is obtained
• 16. F (x) = cosx + SiNx, it is proved that a belongs to (0,0.5 π) such that f (x + a) = f (x + 3a) is constant
• 17. There is a detailed process to find the slope of the following lines and the intercept X / 3 + Y / 7 = 1 on the y-axis
• 18. 7:35, 2:25, 4:20, 9:08? There are two versions
• 19. In the rectangular coordinate system, there are four points a (- 6, - 3), B (- 2, - 5), C (0, m), D (n, 0). When the perimeter of the quadrilateral ABCD is the shortest, the values of M and N can be obtained
• 20. Let a + B = 10 and ab = 7. Then the square of a and the square of B + AB =?