When n = 0____ The function y = (n-2) x ^ n-3 is a positive scale function, and the scale coefficient is______
When n = 0_ 4___ The function y = (n-2) x ^ n-3 is a positive scale function, and the scale coefficient is__ 2____
In general, what kind of function is called positive proportion function
Generally, a function of the form y = KX (K ≠ 0) is called a positive proportional function
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- 1. If y is the inverse proportion function of Z, Z is the positive proportion function of X, and X ≠ 0, then what is the functional relationship between Y and X
- 2. One of the intersection coordinates of positive scale function y = KY and hyperbola y = 8 / X is a (2, m). (1) find out the coordinate of point a and (2) find out the relation of inverse scale function (3) Find another intersection coordinate of these two function images
- 3. Function y = x & # 178; + mx-4, when x
- 4. If the image of the first-order function is parallel to the straight line y = - 5x, and the image of the cross inverse scale function y = - 4 / X is at the point (2, m), then M =, the analytic expression of this function is
- 5. The known function is y = (M2-4) x ^ (4 + n) + (m-2), when m=_____ And n=_____ It is a positive proportional function when the value is zero Did the teacher make a mistake
- 6. Given that the function y = (2a + 1) x - (3-B) is a positive proportional function, the value range of a and B is obtained
- 7. A problem about the definition of inverse proportion function If the variable y is positively proportional to X and the variable x is inversely proportional to Z, what is the functional relationship between Y and Z? Online waiting, 4:30 before the answer, urgent! Hurry! Hurry!
- 8. How to find the intersection point of inverse proportion function and positive proportion function
- 9. Calculation and meaning in definition field of high school function It is known that the definition of function y = f (x) is [0,1]. ① find the domain of y = f (X & sup2;) and ② find the domain of function y = f (x / x + 1) When we find ①, we find that the function y = f (X & sup2;) satisfies 0 ≤ X & sup2; ≤ 1, but then how can we get - 1 ≤ x ≤ 1? When we find the function y = f (x / x + 1) satisfies 0 ≤ X / x + 1 ≤ 1, but how can we get x ≥ 0? Sorry, I just began to learn not to understand, hope you teach me
- 10. High school function problem solving function domain Let the domain of function y = f (x) be [- 2,3], then what is the domain of function f (x) = f (x) + F (- x)?
- 11. If y = 3x to the - 2 power, is this a positive proportional function?
- 12. It is known that: three points a (a, 1), B (3, 1), C (6, 0), point a is on the image of positive scale function y = 12x. (1) find the value of a; (2) point P is a moving point on X axis. ① when the sum of △ OAP and △ CBP circumference reaches the minimum, find the coordinates of point p; ② when ∠ APB = 20 °, find the degree of ∠ OAP + ∠ PBC
- 13. Which two points must a positive scale function y = 4x pass through? The image of positive scale function y = 4x must pass through (,) and (,
- 14. Which of the following functions are linear functions and which are positive proportional functions? Y = - 8x y = X-8 y = 5x ^ 2 + 6 y = - 0.5x-1
- 15. If the image of positive scale function y = KX passes through point (2,3), then the value of K is () A. 32B. -32C. 23D. -23
- 16. The image of positive scale function y = KX (k is constant, K < 0) passes through the second step______ Quadrant, function value increases with the increase of independent variable______ .
- 17. Point a is a point on the image of the inverse scale function. If the area of △ ABO is 2, the solution of the inverse scale function is obtained
- 18. As shown in the figure, we know that point a (3, n) is on the image of inverse scale function y = 12x. (1) find the coordinates of point a; (2) if the image of a first-order function passing through point a intersects with the positive half axis of Y axis at point B, and ob = OA, find the analytic expression of this first-order function
- 19. Given that points a (2,6) and B (3,4) are on the image of an inverse scale function, (1) find the analytic expression of the inverse scale function; (2) if the line y = MX intersects the line AB, find the value range of M
- 20. If the image of the inverse scale function is known to pass through points (a, b), then its image must also pass through (, The answer is a. (- A, - b) B. (a, - b) C. (- A, b) d. (0, 0)