If f (x) is an odd function defined on R, then
Let x > 0, then - x0 0, x = 0, x ^ 2 + 2x + 3, x = 0
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- 1. Let f (x) be an odd function, and if x is greater than 0, f (x) = x-3-2x-1, then the expression of F (x) on X ∈ R is obtained
- 2. Let f (x) be an odd function defined on R. when x < 0, f (x) = x23, then f (8)=______ .
- 3. Let f (x) be an odd function defined on R, f (x + 3) f (x) = - 1 Since a function is an odd function defined on R, why let x = 0. F (x) = 0 such that f (x + 3) f (x) = - 1 does not hold?
- 4. 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)=(
- 5. 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)
- 6. Let f (x) be an odd function defined on R, and if x > 0, f (x) = x ^ 2-3x, then f (- 2) =?
- 7. 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)
- 8. 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)______ .
- 9. 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______ .
- 10. 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
- 11. If f (x) is an odd function on R, and if x > 0, f (x) = the third power of X + 1, then the expression of F (x) is
- 12. What is the minimum value of the algebraic formula 1 / - 2-A ^ 2-2ab-b ^ 2? When the algebraic formula takes the minimum value, what conditions should a and B satisfy?
- 13. The minimum value of the algebraic formula √ x + √ X-1 + √ X-2 is () a.0 B.1 + √ 2 C1 D does not exist
- 14. If | A-1 | + | B-2 | = 0, find the value of the algebraic formula 2A + B
- 15. The latest development of 2 - | a |_ The value is_ When a=_ The minimum value of the algebraic formula (a + 2) * + 5 is
- 16. When AB is what value, the polynomial a ^ 2 + 5B ^ 2-2ab-4b + 4 has the minimum value? And find out the minimum value
- 17. When a, B, why is the value, the polynomial a to the second power + B to the second power + 2a-4b + 16 has the minimum value?
- 18. Basic inequality: given a > 0, find the minimum value of A2 + 16 / A + A / A2 + 16 65 / 8 why do I calculate the minimum value of 2? And what's wrong with me?
- 19. Let a and B be r, A2 + 2B2 = 6, then the minimum value of a + B is - 3
- 20. If a = A2 + 5b2-4ab + 2B + 100, find the minimum value of A