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

∵ the image of positive scale function y = KX passes through point (2,3), ∵ 3 = 2K, and the solution is k = 32

It is known that y = KX + K + 4 is a positive proportional function, then its analytical expression is

If y = KX + K + 4 is a positive proportional function, then K + 4 = 0, k = - 4
Then y = - 4x

It is known that y = KX + (K + 4) is a positive scale function. Its analytic expression is obtained and its image is drawn

k+4=0
k=-4
y=-4x

It is known that: the positive proportion function y = KX (K ≠ 0), when x = 2, y = 6, find its analytical formula

Substitute x = 2, y = 6 to get 6 = 2K
k=3
So the analytic formula is y = 3x

RELATED INFORMATIONS

1. 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
2. Which two points must a positive scale function y = 4x pass through? The image of positive scale function y = 4x must pass through (,) and (,
3. 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
4. If y = 3x to the - 2 power, is this a positive proportional function?
5. When n = 0____ The function y = (n-2) x ^ n-3 is a positive scale function, and the scale coefficient is______
6. 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
7. 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
8. Function y = x & # 178; + mx-4, when x
9. 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
10. 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
11. 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______ ．
12. 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
13. 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
14. 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
15. 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)
16. If P is a point on the image with inverse scale function y = K / x, and perpendicular to X axis and Y axis respectively through P, the shadow area is 5, then the expression of inverse scale function
17. What is the relationship between the coordinates of the two intersections of the image of the first-order function and the image of the inverse scale function?
18. Given the image of inverse scale function y = K / X and the image of y = KX + B intersect at point (2,1), find 1. The analytic expressions of two functions 2. Another intersection of two function images
19. If the function y = (M & # 178; - 4) x M & # 178; - M is a quadratic function M & # 178; - M is in the upper left corner
20. Draw the image of y = 2|x + 1| - 3|x-2|