What is 2x-2 in 5 = 3 in 10

RELATED INFORMATIONS

• 1. Given the function f (x) = 2x-1, what is f '(0) equal to
• 2. Why does the function y = | x | have no derivative in x = 0?
• 3. The derivative of F (x) = x ^ (4 / 5) - x ^ (9 / 5) does not exist when x =?
• 4. F (x) = | X-2 |, what is the derivative at point x = 2, or does it not exist?
• 5. Let f (x) = x * sin (1 / x), X not equal to 0; when x equals 0, f (x) = 0, then why is the function continuous but not differentiable at x = 0 Or continuously differentiable, but how to prove it
• 6. If f (1-cosx) = sin ^ x, what is f (3 / 2) equal to
• 7. Let f (x), X belong to R, X is not equal to 0, for any non-zero real number x, y, satisfy f (XY) = f (x) + F (y), find f (1), f (- 1)
• 8. The function FX = x / (x-a) x is not equal to a, if a = - 2, it is proved that f (x) increases monotonically in (negative infinity, - 2)
• 9. Let f (x) = {(x ^ a) sin [1 / (x ^ b)], X not equal to 0.0, x = 0.} when a, B take what value, f (x) is continuous at x = 0?
• 10. Given the function f (x) = SiNx, x < and = 0, X is not equal to 0, x > 0, then f (0) =?
• 11. Given the function f (x) = x & # 178; + 2, then f [f (- 1)] equals ()? Given the function f (x) = x & # 178; + 2, then f [f (- 1)] equals () A、9 B、10 C、11 D、12 Given the function f (x) = (x + 1 (x ≤ 0), 2x-1 (x > 0)) piecewise function, then the abscissa of the intersection of F (x) and X axis is?
• 12. Given the function f (x) = (x ^ 2-4x + a) / x, 1 is less than or equal to x, less than or equal to 5, a belongs to R. if a = 4, find the maximum value of function f (x). If 1 is less than or equal to x, less than or equal to 5, the inequality f (x)
• 13. If G (x) = 1-2x, f [g (x)] = 1-xsquare of X (x is not equal to 0), find f (1 / 2)
• 14. F (1-2x) = (1-x ^ 2) / x ^ 2, if x is not equal to 0, find f (x)
• 15. Given the function f (x) = x ^ 2 + ax + 3-a. when x belongs to [- 2,2], f (x) is greater than or equal to 2, find the range of A Why can't we use the method of finding the most value
• 16. Let f (x) = ax ^ 3-3x + 1 (x belongs to R). If f (x) is greater than or equal to 0 for any x belonging to (0,1), then the value range of real number a is
• 17. If the function f (x) = x / ax + B, f (2) = 1, and the equation f (x) = x has a unique solution, then what is f (x) equal to?
• 18. Given the function f (x) = 3xx ≤ 1 − XX > 1, if f (x) = 2, then x=______ ．
• 19. If f (x + 2) = x-x + 1, then f (x) is equal to
• 20. Let the domain of function be {x | x is not equal to 0} and f (x) - 2F (one part of x) = X. find the analytic expression of function f (x)