Function y = - x2-2ax (0

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• 1. What is the domain of 1-e ^ x under the function f (x) = 1 / radical
• 2. What is the domain of (1-e ^ x) under the function f (x) = 1 / radical
• 3. The function f (x) = alnx-bx ^ 2 (x ≥ 0) when B = 0, if the inequality f (x) ≥ m + X holds for all a ∈ [0,3 / 2], X ∈ (1, e ^ 2), find the range of M
• 4. Let f (x) = alnx − 12x2 + BX. (1) when a = 3, B = 12, find the maximum value of F (x); (2) find the solution set of the inequality f '(x) > F (1)
• 5. Let f (x) = alnx-1 / 2x ^ 2 + BX find the solution set of the inequality f (x) > F (1)
• 6. If f (x) = AX2 + BX, and 1 ≤ f (1) ≤ 2,2 ≤ f (1) ≤ 4, find the range of F (2)
• 7. If f (x) = AX2 + BX (a ≠ 0) satisfies 1 ≤ f (- 1) ≤ 2, 2 ≤ f (1) ≤ 5, then the value range of F (- 3) is______ ．
• 8. It is known that the derivative f '(x) ≤ f (x) B of quadratic function f (x) = AX2 + BX + C belongs to R. it is proved that f (x) is less than or equal to (x + C) ^ 2 when x ≥ 0
• 9. 7. Given the quadratic function f (x) = AX2 + BX + C, G (x) = λ ax + B (λ≥ 1), when | x | ≤ 1, | f (x) | ≤ 1. (1) it is proved that | a | ≤ 2 (2) Let f (0), f (1), f (- 1) denote g (1), G (- 1) (3) When | x | ≤ 1, it is proved that | g (x) | ≤ 2 λ
• 10. Given the quadratic function f (x) = AX2 + BX + C (C ≠ 0) (1) if A.B.C and f (1) = 0, it is proved that the image of F (x) has two intersections with the X axis; (2) if Changshu x1 If x 2 ∈ R, and x 1, x 2, f (x 1) ≠ f (x 2), we prove that the equation f (x) = 1 / 2 [f (x 1) + F (x 2)] must have a root belonging to (x 1, x 2)
• 11. If the maximum value of function f (x) = x & sup2; + 2aX + 1 on [0,1] is f (1), then what is the value range of a
• 12. Finding the minimum value of the square of function y = x-2ax-1 on [0,2]
• 13. F (x) = x ^ 2-2ax + 2. X ∈ [- 1.1] to find the minimum value of function
• 14. It is known that y = 2x * x-2ax + 3 has a minimum value on [- 1,1], which is denoted as G (a). Find the expression of the function and its maximum value
• 15. A numerical reasoning of civil servants' performance test 1,6,1,52,-29,（ ）,-541 A.380 B.360 C.350 D.340 What to choose It's really hard. Will no one do it when they expect the appearance of experts? 8778 is a bit far fetched
• 16. (3-2 times the root sign 2) open the cubic root Simplification I think it should be very simple What's groan's answer in 1999,
• 17. Divide the 5-meter rope into 6 sections equally. What's the percentage of 1 meter in each section? If the problem. Trouble also want to say to solve
• 18. What are static friction, sliding friction and rolling friction? What's the difference,
• 19. (3 / 4-5x) - (5 / 3 + 2x) = 1 / 2-3x-1
• 20. How about 5 / 2-3x = 3 / 3-5X