Let f (x) = x ^ 2-ax + 1, and | f (1) | be less than or equal to 1, find the range of A

RELATED INFORMATIONS

• 1. If f (1-2x) = 1-x ^ 2 / x ^ 2 (x is not equal to 0), then f (1 / 2)=___
• 2. F (x) + F [(x-1) / x] = 2x, X is not equal to 0,1. Find f (x)
• 3. If f (x-1) = x ^ 2 + 4x-5, then f (x + 1) equals Such as the title
• 4. If f {2 ^ x} = 4x, then f {8} is equal to
• 5. Given the function f (x) = 14x4 − X3 + x2 + a (0 & lt; X ≤ 6); (1) find the monotone interval and the maximum value of the function; (2) when a is the value, the equation f (x) = 0 has three different real roots
• 6. If f (2x-1) = 4x ^ 2 + 4x + 2, what is f (x) equal to?
• 7. Given the function f (x + 2) = x & # 178; - x + 1, then f (x) is equal to
• 8. Is function f (x) + F (1) equal to function f (x + 1)
• 9. Given that f (x) = x + 2 (x is less than or equal to - 1) x (x is greater than - 1, less than 2) 2x (x is greater than or equal to 2), if f (x) = 3, then the value of X is? A. 1 B.1, 3 / 2 C.1, radical 3, 3 / 2 d. radical 3
• 10. As shown in the figure, ⊙ o is the circumscribed circle of △ ABC, FH is the tangent of ⊙ o, and the tangent point is f, FH ∥ BC. The bisector BD connecting AF with E, and the bisector BD connecting AF with D, connects BF
• 11. If f (x) = (AX + 1) (x + a) is an odd function, what is f (2) equal to
• 12. F (x) are respectively equal to: F (x) = ax + 1 x ≤ 2 F (x) = x ^ 2 x > 2 find a B
• 13. Let f (x) = ax + 4, if f ′ (1) = 2, then the value of a () A. 2B. -2C. 3D. -3
• 14. Given the function f (x) = 3, X ∈ R, then the value of F (3) is equal to
• 15. Given the function f (x) = 11-x, then f (3) = 0___ ．
• 16. If f (x) = x ^ 3-x ^ 2-x + 1, what is the maximum value of X on [- 1,1]?
• 17. Let f (x) = x (x + 1) (x + 2) (x + n), then f ′ (0)=______ ．
• 18. Let f (x) = A / x + A, and f (2) = 3 / 2, then f (1) is equal to
• 19. Given 2F (1 / x) + F (x) = x (x is not equal to 0), find f (x)
• 20. It is known that the function f (x) is equal to one part of X, X