The image of inverse scale function y = 2 / X is in the fourth quadrant, in which y increases with the increase of X

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• 1. Write the inverse proportional function of Y increasing with X in every quadrant of an image___ ．
• 2. It is known that the image of the first-order function y = MX + N and the inverse scale function y = (3N-M) / X intersects at the point (1 / 2,2), and the value of M, N and another intersection point are obtained
• 3. It is known that the image of inverse scale function y = K / X passes through (1 / 2,8), and the line y = - x + B should pass through the image of inverse scale function (4, m) to find their inverse scale function and the function expression of the line
• 4. It is known that the linear function y = (3m + 1) x + M_ 2 1 if the function image passes through the origin, 2 finds the value of M. 2 if the function image does not pass through the second quadrant, 2 finds the value of M
• 5. Given that the image of a function y = 2mx + (6-3m & # 178;) passes through the origin and the second and fourth quadrants, then M=______
• 6. If the inverse scale function y = (k-1) x ^ k & # 178; - 5 passes through two or four quadrants, then k =?
• 7. When n takes what value, the (n & # 178; + n-1) degree of y = (n & # 178; + 2n) x is an inverse scale function? In which quadrant is its image?
• 8. Given the inverse scale function y = (1 / 2 of m-2) x, the two branches of the image with the power of - 2 are in the second and fourth quadrant respectively, and the value of M is obtained
• 9. It is known that the image with the inverse scale function y = m / X passes through the point (- 2, - 3), and the image with the inverse scale function y = m / X is in the second and fourth quadrants, and the value of M is calculated
• 10. 1. Translate the straight line y = 3x-2 upward by 4 units to get the straight line () 2. Which quadrant does the image of the first-order function y = 5x-2 pass through?
• 11. Urgent! Let f (b) = B LNA - a LNB (b > a > e), then what is f '(b) equal to? Given that a and B are real numbers, and a > b > e, where e is the base of natural logarithm, we prove that a ^ b > b ^ a
• 12. Given a = 4 and B = 3, when vector A / / vector B, find the product of a and B
• 13. Vector a = (3,2) when x is, vector b = (x, 1) is parallel to vector a
• 14. How to find the angle of a vector? What is its formula? What's the formula for finding the angle between two straight lines?
• 15. It is known that vectors a and B are basic units, and vector a is multiplied by vector b = 0. If vector C satisfies | C-A-B | = 1, then the value range of | C | is
• 16. A square is an axisymmetric figure. It has an axis of symmetry ()
• 17. On the drawing with a scale of 1:2000, a rectangular building is measured to be 2.5cm long and 1.35cm wide. What is the floor area of this building? Solve with proportion
• 18. Why are there few stars when the moon is round and bright? Sometimes there are many stars, but there is no moon? Sometimes there are few stars when the moon is not bright? What does the moon and stars show?
• 19. If you extend the top and bottom of a right angled trapezoid by 5cm, the area will increase by 25cm, and then it will become a square. Find the area of the original right angled trapezoid
• 20. As shown in the figure, all quadrangles are squares, and all triangles are right triangles, Please find several figures in the figure so that the sum of their areas is exactly equal to the largest square area. Try to give more than two schemes