How to solve the area of figure in inverse scale function

The area of a function should follow two principles: transforming irregularity into regular figure, such as triangle parallelogram (distance diamond); the other is that the area method is based on the edge falling on or parallel to the coordinate axis

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1. Two methods are used to draw the inverse scale function image of y = - 2 / X
2. Inverse scale function image If the line y = 2x-1 intersects with the Y axis at point a, and then the line is translated upward by one unit, and intersects with the curve y = 2 / X at two points B and C, what is the area of triangle ABC
3. What are the characteristics of symmetry of inverse scale function image The symmetry of the origin of the y-axis is complete It's too esoteric. I just want to know what quadrant is symmetrical and what quadrant is the point after symmetry``
4. How many quadrants must the image of the positive scale function y = (K & # 178; + 1) x (k is a constant, K ≠ 0) pass through
5. Let y = (K + 2) x + K be the square of - 9=___ It is a positive proportional function passing through two or four quadrants
6. Is the positive scale function y = KX + b k necessarily greater than zero? If K is less than zero, y decreases with the increase of X Is that still a positive ratio?
7. The image of the linear function y = KX + B (K ≠ 0, B ≠ 0) always passes through the point (0,?) And (0,?) Two points, the positive proportion function y = KX (K ≠ 0) always passes through (0,?) And (1,?) Two points
8. The positive proportional function y = KX passes through point a (3, - 4) to find the value of K
9. It is known that the positive proportional function y = KX (K ≠ 0) and the y of points (2, - 3) on the function increase or decrease with the increase of X
10. It is known that the image of positive scale function y = KX passes through point P (1,2), as shown in the figure. (1) find the analytic expression of the positive scale function; (2) translate the image of the positive scale function to the right four units, and find the analytic expression of the translated straight line
11. The image of inverse scale function y = KX passes through point a (2,3). (1) find the analytic expression of this function; (2) judge whether point B (1,6) is on the image of this inverse scale function, and explain the reason
12. The image of inverse scale function y = KX passes through point a (2,3). (1) find the analytic expression of this function; (2) judge whether point B (1,6) is on the image of this inverse scale function, and explain the reason
13. The image of inverse scale function y = KX passes through point a (- 2,3); (1) find the analytic expression of this function; (2) judge whether point B (1,6) is on the image of this inverse scale function, and explain the reason
14. If the image of the inverse scale function passes through point a (2,3), then are points B (- √ 2,3 √ 2), C (2 √ 3, - 3) d (9,2 / 3) on the image of the function
15. Given that the image of inverse scale function y = - 2K / X passes through point 2. K + 1, judge whether point G (K + 1,2) is on the function image
16. In points a (2,1), B (- 3,4), C (1,12), D (3,8), e (24,1 / 2), there are
17. 8. Given points a (2,6), B (3,4) 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
18. The image of a known inverse scale function passes through points (1,3) (1) to find the relation of the inverse scale function and draw its image; (2) to find the intersection coordinates of the primary function y = 2x + 1 and the image of the inverse scale function
19. How to draw the image of inverse scale function passing through the point (- 4,3)?
20. If the image of the inverse scale function passes through a point (- 2,4), the analytic expression is