It is known that the definition field of function f (x) is r, and f (x + 2) = - f (x) is proved that f (x) is a periodic function If f (x) is an odd function, and if x is greater than or equal to 0 and less than or equal to 1, f (x) = 1 (/ 2) x, find the analytic solution of F (x) in [- 1,3]

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• 1. Given that the image of power function f (x) passes through (9,3), then f (2) - f (1)=______ ．
• 2. If the image of power function y = f (x) passes through point (1 / 3,9), then the analytic expression of F (x) is?
• 3. Given the power function y = f (x) image over-current (2, √ 2), find the analytic expression of this function
• 4. Given that the domain of F (x) is [- 3,5], what is the domain of K (x) = f (- x) + F (2x + 5)?
• 5. Find the function definition field. F (x) = [(x + 1) ^ 0] / [@ (- x)] Note: @ refers to the quadratic root. X ^ 0 refers to the degree 0 of X
• 6. What is the domain of function f (x) = √ 2 / x + 1? What is the domain of function f (x) = √ 2 / x + 1
• 7. 12A's Square BC + 9abc's Square - 15A's Square BC's Square - ABC's square + 2A's Square BC ABC
• 8. It is known that the area of triangle ABC is the fourth power of 6m and the third power of the square of 3A. If the height of one side is the square of 3M, what is the length of this side? RT
• 9. Diagonalization of matrix 1,1,1,1 Diagonalization of matrix (1,1) 1 1 zai xian deng!
• 10. A is a 3x3 matrix, and 0 ≠ a ^ 3 = a ^ 2 ≠ a, 1). It is proved that a is not diagonalizable. 2.) 0 is the eigenvalue of A. 3). 1 is the eigenvalue of A A is a 3x3 matrix, and 0 ≠ a ^ 3 = a ^ 2 ≠ a, 1) 2.) 0 is the eigenvalue of A 3) . 1 is the eigenvalue of A 4) Give an example of a, which needs to satisfy the condition a ^ 3 = a ^ 2 ≠ a 5) Prove that any 2x2 matrix does not satisfy the condition a ^ 3 = a ^ 2 ≠ a
• 11. F (x) domain R. satisfies f (x + 1) [1-f (x)] = 1 + F (x). Proof: F (x) is a periodic function It has been proved that the period is 2 Problem 1, when x belongs to [0,1], f (x) = x, find the expression of F (x) on [- 1,0] 2. For the function f (x) = ax in 1 with 100 roots, find the value range of A PS steps, direct answers do not give points
• 12. Let f (x) be a function defined on R with period 2. In the interval [- 1, 1], f (x) = ax + 1, − 1 ≤ x < 0 & nbsp; & nbsp; & nbsp; BX + 2x + 1, 0 ≤ x ≤ 1, where a, B ∈ R. if f (12) = f (32), then the value of a + 3b is______ ．
• 13. Given that the domain of F (X & # 178; - 1) is [- 1,2], then the domain of F (x) is () Given that the domain of F (X & # 178; - 1) is (- 1,2), then the domain of F (x) is ().
• 14. Find the solution interval of equation log3 x = 3-x Such as the title
• 15. The solution interval of equation log3 (x) + x = 3 is
• 16. The solution set of equation log3 (x ^ 2-3x + 1) = 1 is a, equation The solution set of equation log3 (x ^ 2-3x + 1) = 1 is a, the solution set of equation 9 ^ x-4 * 3 ^ (x + 1) + 27 = 0 is B, then the relationship between a and B is A.M=N B. N is contained in M C. M is contained in n D. M ∩ n = nonempty set
• 17. 1. Solving equation: Y-Y + 1 / 2 = 2-y + 2 / 5 2. Solving equation: 1 / 2 (2x + 5) = 4x + 3 / 4-2-3x / 8 help me. Thank you Xueba!
• 18. 0.2 [y + 2] = 0.8 solving equation with process
• 19. 2 / 3 (Y-8) = 9
• 20. 0.2 [y + 2] = 0.8 solving equations