Find the range of y = 3x + 1 / 2x-1, X ∈ [1,2]
y∈[7/3,4]
RELATED INFORMATIONS
- 1. Y = (1 / 3) ^ (2 / 3x-1), find the range of function y=(1/3)^[2/(3x-1)]
- 2. If f (x) is an odd function defined on R, and X ∈ (0, + ∞), f (x) = LG (x + 1), find the expression of F (x) and draw the diagram
- 3. Given that function f (x) is an odd function on R, and x > 0, f (x) = 1, try to find the expression of function y = f (x)
- 4. Given that the function y = f (x) is an odd function on R, and when x > 0, f (x) = 1, then the expression of the function y = f (x) is______ .
- 5. It is known that the function y = f (x) is an odd function on R, and when x is greater than 0, f (x) = 1. Try to find the expression of y = f (x)
- 6. Given that the function y = f (x) is an odd function on R, and when x > 0, f (x) = 1, then the expression of the function y = f (x) is______ .
- 7. Given that the function f (x) is an odd function, when x belongs to (0,1), f (x) = LG (x 1), then when x belongs to (- 1,0), what is the expression of F (x)?
- 8. It is known that f (x) is an odd function on R. when x > 0, f (x) = x (1-x), find the expression of F (x), and draw the image of F (x) in the given coordinate system
- 9. Let f (x) be an odd function defined on R, and the image of y = f (x) is symmetric with respect to x = 1 / 2, f (1) + F (2) + F (3) + F (4) + F (5)=
- 10. Given the function f (x) = x2 + (a + 1) x + LG | a + 2 | (a ∈ R, and a ≠ - 2) (I) if f (x) can be expressed as the sum of an odd function g (x) and an even function H (x), find the analytic expressions of G (x) and H (x); (II) proposition p: the function f (x) is an increasing function in the interval [(a + 1) 2, + ∞); proposition q: the function g (x) is a decreasing function. If proposition p and Q have and only one is an increasing function Under the condition of (II), compare the size of F (2) and 3-lg2
- 11. Given the function FX = {X & # 178; + 1, X ≥ 0 and 1, x < 0, then the value range of X satisfies the inequality f (1-x & # 178;) > F (2x)
- 12. Given the function FX = | X-1 | + | x-3 | (1), find the value range of X, make FX a constant function (2) if the inequality f about X The known function FX = | X-1 | + | x-3| (1) Find the value range of X so that FX is a constant function (2) If the inequality f (x) - a ≤ 0 about X has a solution, find the value range of real number a
- 13. Given the function f (x) = (x2-x-1 / a) e ^ ax (a > 0), if the inequality f (x) + 3 / a > = 0 holds for X ∈ (- 3 / A, + infinity), then the value range of real number a is?
- 14. Let t be a real number, f (x) = x + T / x2 + 1, if x belongs to [- 1,2], then the inequality f (x)
- 15. Given that the function f (x) = x ^ 2 + 4x + 3, the inequality f (x) > A is r for any x, then the value range of real number a is?
- 16. Given the function f (x) = 4x ^ 2-4ax, X ∈ [0,1], the solution set of inequality | f (x) | > 1 about X is an empty set, then the value range of real number a satisfying the condition =?
- 17. If the inequality a ≥ X & # 178; - 6x is [0,1] constant for any x, then the value range of the number a is
- 18. (1) If the inequality | x + 1 | + | X-1 | K holds, the value range of K is obtained School starts the day after tomorrow·········· Better have a little process
- 19. If the range of function y = 4 - √ (3-2x-x ^ 2) is - 1 < a < 0, then the inequality ax ^ 2 - (a ^ 2 + 1) x + A
- 20. Find the range: (1) y = INX (0)