Given that the function f (x) = x2-2ax + 5 is an increasing function in the interval [1, + ∞), then the value range of F (- 1) is
The derivative of F (x) = 2x-2a > = 0
x>=a
a
RELATED INFORMATIONS
- 1. Let a = {x | x2-5x + 4 > 0} and B = {x | x2-2ax + A + 2 = 0}. If a ∩ B ≠ 0, the value range of a is obtained
- 2. We know the equation x2-2ax + a = 4 about X When we find the value of 1. A, the equation has two positive values? 2. What is the value of a, the equation has two different sign roots, and the absolute value of negative root is larger? 3. What is the value of a when at least one root of the equation is zero?
- 3. If factorization x2 + 2ax-3a2 is divisible by X-1, then the value of a is (a) 1 or - 1 / 3 (b) - 1 or - 1 / 3 (c) 0 (d) 1 or - 1
- 4. A = (- 1,1) B = (the square of x|x-2ax + B = 0) if a contains B, then the value of a and B? Let's ask the value of AB when B is an empty set A = (- 1,1) B = (the square of X | X - 2aX + B = 0) if a contains B, then the value of a and B? Let's ask the value of AB when B is an empty set
- 5. Let set a = {- 1,1} set B = {x ^ 2-2ax + B = 0} if B ≠ empty set B is contained in a, find the value of a and B
- 6. Y = the domain of cosx-1 / 2?
- 7. What is the domain of negative cosx under y = root?
- 8. Given that the sum of squares of the two real roots of the equation x2 + (2k + 1) x + k2-2 = 0 is equal to 11, that is, X12 + X22 = 11, then the value of K is () A. - 3 or 1b. - 3C. 1D. 3
- 9. If the remainder of angle 1 is alpha, the complement of angle 1 is beta, and the sum of alpha and beta is 170 degrees, the degree of angle 1 is obtained
- 10. If the complement angle of alpha is 125 degrees and the remainder angle of beta is 37 degrees, the relationship between alpha and beta is ()
- 11. Finding the definite integral of (1 + T square) from x square to x cube under D / DX times ∫ DT / root sign
- 12. Let f (x) be a differentiable function, definite integral (x, 0) (t-1) f (x-t) DT = 0, find f (x)
- 13. To find the symmetry center of G (x) = 2 + X + sin (x + 1) requires specific steps and processes. Thank you!
- 14. D / dt ∫ sin (T ^ 2) DT (0 to 1),
- 15. ∫ (3 sin T + 1 / 2 sin ^ 2 T) DT
- 16. Calculation: definite integral ∫ (in the upper 1, in the lower √ 2 / 2) (√ 1-x ^ 2) / x ^ 2 DX to find the detailed process answer, please God
- 17. Find: definite integral ∫ (0 above, T below) (e ^ - x ^ 2) (t above, T below) DX
- 18. Find: definite integral ∫ ((0, t) e ^ - x ^ 2 DX) (T
- 19. In the derivation process of [∫ (0, x) TF (T) DT] 'explained by experts, the result should be XF (x), or XF (x) -∫ (0, x) f (T) DT
- 20. If f (x) has continuous derivatives in [1, + ∞), and satisfies X-1 + X ∫ (upper limit x, lower limit 1) f (T) DT = (x + 1) ∫ (upper limit x, lower limit 1) TF (T) DT, find f (x) The answer is f (x) = x ^ (- 3) * e ^ (1-1 / x),