The range of function f (x) = - (x-1) &# + 1 is

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• 1. The function y is equal to the range of x plus 1 / 2x plus 4
• 2. Let f (x) = x ^ 2-2x + 1-k ^ 2, for any x ∈ (0, positive infinity) f (x) > 2k-2, the value range of K is obtained
• 3. The function f (x) = x & # 178; + 2x-3a, X belongs to [- 2,2] 1, if FX + 2A ≥ 0, it holds. Find the value range of A
• 4. 2) if the decreasing interval of function y = LG (X & # 178; - 2mx + 3) is (- infinity, 1) and the increasing interval is (3, + infinity), find the value of real number M; ② Find the minimum value of function f (x) = x & # 178; - 2mx + 3, X ∈ {2.4} ~ &# 10084;
• 5. If f (x) = (A-2) x & # 178; + (A-1) x + 3 is an even number, find the value of real number a? Find the monotone increasing interval of function f (x)?
• 6. It is known that the function y = f (x) is even on R, and when x ≥ 0, f (x) = x & # 178; - 2x ① Find the analytic expression of F (x) when x ＜ 0. ② draw the diagram of F (x) and write the monotone interval of F (x)
• 7. The function y = FX is an even function on (negative infinity, positive infinity). When x ≥ 0, FX = x & # 178; - 2x-3, find FX
• 8. It is known that f (x) is an odd function defined on R. when x ≥ 0, f (x) = x & # 178; - 2x, then the expression of F (x) on R is () A.y= x(x-2) B.y=x(│x│+2) C.y=│x│(x-2) D.x(│x│-2)
• 9. Let f (x) be an odd function defined on R, and when x > 0, f (x) = 2x & # 178; - x, find the expression of F (x)
• 10. Y = f (x) is an odd function defined on R. when x > 0, f (x) = x & # 178; - 2x + 3, find the analytic expression of F (x) on R
• 11. The range of function f (x) = (X & # 178; + X + 1) / (X & # 178; + 1) is
• 12. The range of the function f (x) = - X & # 178; - 2x + 5 is
• 13. Find the range of the following functions y = x + √ x + 1 f (x) = (x + 5) / (X & # 178; + 4) Don't be wrong
• 14. Find the range of function y = 10 ^ X-10 ^ (- x) / 10 ^ x + 10 ^ (- x)
• 15. What is the number of functions whose range is {2,5,10}, where the corresponding relation is y = x ^ 2 + 1 A.1 B.8 C.27 D.39 This is the joint examination of ten schools in Ningbo, Zhejiang Province in 2009
• 16. Prove that cosh (3x) = 4 * (coshx) ^ 3 + 3 * coshx
• 17. It is known that f (x) is an odd function over R, and if x
• 18. The definition field of odd function f (x) is R. when x > 0, f (x) = - x 2x2, then the expression of F on R
• 19. Given that the function f (x) = x + B (a is greater than 0, a is not equal to 1) satisfies f (x + y) = f (x) f (y) and f (3) = 8 to find f (x)
• 20. If the odd function f (x) (x is not equal to o), X belongs to (0, + 00), f (x) = X-1, then the inequality f (x-1) is satisfied