It is known that F X is an odd function defined on R and satisfies f (x 4) = f (x). When x ∈ (0,2), f (x) = 2x & sup2;, then f (7)=

RELATED INFORMATIONS

• 1. It is known that f (x) is an odd function defined on R. when x ≥ 0, f (x) = x & sup2; - 2x, then
• 2. It is known that the function y = f (x) is an odd function defined on R. when x0, the analytic expression of F (x) is obtained (2) Are there real numbers a and B (where 0 ≤ a ＜ b) such that the value range of F (x) on [a, b] is [a, b]? If so, find out all the values of a and B. if not, explain the reason
• 3. Let f (x) be an odd function defined on R
• 4. For an odd function defined on R, when x > 0, f (x) = x ^ 2-2x + 1
• 5. It is known that the function f (x) is an odd function whose domain of definition is R. when x > 0, f (x) = x-x + 1, then if x
• 6. It is known that the function f (x) is an odd function in the domain (- 2,2). The odd function in the interval [0,2] decreases monotonically in the interval [0,2] Solve the inequality f (x-1) + F (x ^ 2-1) < 0
• 7. It is known that the function f (x) is an odd function in the domain of definition (&; - 2,2) It is known that the function f (x) is an odd function in the domain of definition (&; - 2,2) and increases monotonically in the interval [0,2]. The solution to the inequality f (x-1) + F (x ^ 2-1) < 0 The answer is (- 1,1), why
• 8. Given that f (x) is an odd function in the domain of definition on the interval [1, - 1] and is an increasing function, the value of F (0) can be obtained,
• 9. When x > 0, the function FX is meaningful and satisfies F 2 = 1, f (XY) = FX + FY, FX is an increasing function (1) Verification: F (1) = 0 (2) If f (3) + F (4-8x) > 2, find the value range of X
• 10. If the function FX defined on R satisfies f (x + y) = f (x) + F (y) + 2XY [XY belongs to R] f (1) = 2, then f (- 2) =? Please be more detailed! 20 points will be sent! If it's OK, points will be added! The earlier you answer, the more points will be added. Thank you
• 11. It is known that f (x) is an odd function defined on R. when x ≥ 0, f (x) = 2x-x & sup2 (1) Finding the expression of function f (x) (2) If x ∈ [a, b], f (x) ∈ [1 / B, 1 / a], if 0
• 12. Let f (x) be an odd function defined on R, and if x ≥ 0, f (x) decreases monotonically. If x 1 + x 2 > 0, then the value of F (x 1) + F (x 2) () A. Constant negative B. equal to zero C. constant positive D. unable to determine positive or negative
• 13. Let f (x) be an odd function defined on R, and f (- 1) = 0, if the inequality x1f (x1) - X2F (x2) / x1-x2 ＜ 0 pairs of interval (- infinite, 0) If any two unequal real numbers x 1 and x 2 hold, then the solution set of the inequality x f (2x) < 0 is
• 14. It is known that f (x) is an odd function on R and a decreasing function. If X1 + x2 > 0, X2 + X3 > 0, X3 + X1 > 0, then the value of F (x1) + F (x2) + F (x3) () A. Must be greater than zero B. must be less than zero C. is zero D. both positive and negative are possible
• 15. Given that f (x) is an odd function and a decreasing function on (- ∞, + ∞), and X1 + x2 > 0, & nbsp; & amp; X1 + X3 > 0, X2 + X3 > 0, then the relation between F (x1) + F (x2) + F (X3) and 0 is zero______ ．
• 16. It is known that the odd function f (x) defined on R is a decreasing function. If X1 + x2 < 0, X2 + X3 < 0, X3 + X1 < 0, then the value of F (x1) + F (x2) + F (x3)______ ．
• 17. It is known that the domain of function FX is [0,4] to find the domain of Y + F (x + 3) + FX It is known that the domain of F (x) is the domain of y = f (x + 3) + F (x ^ 2)
• 18. Let f (x) be an odd function defined on R, and if x > 0, f (x) = x ^ 2-3x, then f (- 2) =?
• 19. Let f (x) be an odd function defined on R, and if x is greater than 0, f (x) = 3x + 1, find the analytic expression of F (x)
• 20. Let f (x) be an odd function defined on R, and if x > 0, f (x) = 3-2 ^ x, then f (- 2)=（ Let f (x) be an odd function defined on R, and if x > 0, f (x) = 3-2 ^ x, then f (- 2)=（