Inequality 3x + 6
Inequality 3x + 6
RELATED INFORMATIONS
- 1. For a given positive integer n (n ≥ 6), set a is composed of the sum of five consecutive positive integers not greater than N, and set B is composed of the sum of six consecutive positive integers not greater than n If the number of elements of a ∩ B is 2013, then the maximum value of n is?
- 2. A is a set composed of non negative integer arrays less than 5, and B is a set composed of non positive integers greater than - 4. Does the same number exist in set a and set B A is 0,1,2,3,4 B is - 3, - 2, - 1,0 The same number is 0 That's what I did, but the teacher said it was wrong If not, I will ask the teacher tomorrow
- 3. The number of sets satisfying that the sum of elements is equal to the product of elements If a set element belongs to a positive integer, find the number of all sets that satisfy that the sum of elements is equal to the product of elements
- 4. Let a be a nonempty subset of an integer set. For K ∈ a, if k-1 ∉ A and K + 1 ∉ a, then K is said to be a "good element" of A. given s = {1, 2, 3, 4, 5, 6, 7, 8}, all the sets composed of three elements of s have () A. 6 B. 12 C. 9 D. 5
- 5. If we know that set a satisfies the following conditions: when p ∈ a, there is always (- 1 / P + 1) ∈ A. if we know that 2 belongs to a, then the product of all elements in set a is equal to
- 6. If x ∈ m, then 1 / 1-x ∈ m, then when 4 ∈ m, the product of all elements of M is equal to
- 7. Using description method to express the set of numbers divided by 4 and 1
- 8. To express the set of integers divided by 3 and 2 by description
- 9. Using description method to represent the set a composed of all positive integers divided by 3 and 2=______ .
- 10. A set of all positive integers divided by 5 and 1? The answer is {x ∈ n | x = 5K + 1, K ∈ n} Why should we explain the condition of K? Just explain the condition of element x? But the answer is not
- 11. Known sets {1,2}, {3,4,5,6,}, {7,8,9,10,11,12,13,14} Where the nth set consists of 2 ^ n consecutive positive integers, and each The largest number in the set and the smallest book in the next set are continuous integers. It is known that the largest number in the nth set is an (1) Finding an expression (2) If the sequence {BN} satisfies BN = [2 ^ (n + 1)] / [an * a (n + 1)], and a
- 12. A set of all positive integers less than 5
- 13. The set M = {m} composed of the first 2n positive integers belongs to n | 1
- 14. Let f (x) = x2 + ax + B, a = {x | f (x) = x} = {a}, and the set composed of elements (a, b) be m
- 15. Given the set a = {a | x = a + X / X & # 178; - 2}, and the set B = {x | x + A / X & # 178; - 2 = 1}, then can the set B be a single element set? If the set a can be represented by enumeration, if not, please explain the reason Set a {- 9 / 4 ± √ 2} I can only answer: - 9 / 4 ± √ 2? I'm really powerless
- 16. What is the sum of all elements in the set a = {x ︱ X & # 178; - (a + 2) x + A + 1 = 0, X ∈ r}
- 17. Let f (x) = x power of 4 divided by (x power of 4 + 2), if 0
- 18. Let f (x-1 / x) = the square of X divided by the fourth power of 1 + X
- 19. If f (x) = (x + a) cubic has f (1 + x) = - f (1-x) for any real number, then f (2) + F (- 2)=
- 20. F (x) = ㏒ {[x power of 1 + 2 + x power of 3 + The x power of + (n-1) + the x power of n × a] / N}, a is a real number , n is any given positive natural number and N ≥ 2, if f (x) is meaningful when x ∈ (- ∞, 1], the value range of a is obtained