The topic of positive and negative proportion function In the following relation, y is inversely proportional to X A. A person's age y is related to his height X B. The width of a rectangle is constant, and its area y is equal to its length X C. Area y and radius X of a circle D. The divisor is constant, the divisor y and the quotient X

Choose D

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1. The problem of positive proportion function and inverse proportion function Given that y = Y1 + Y2, Y1 is inversely proportional to χ. When χ = 1, y = 4; when χ = 2, y is equal to 5. Find the value of Y (process) when χ = 4
2. (on the comparison of positive scale function and inverse scale function) It is known that in the same rectangular coordinate system, the positive scale function y = - 3x and the inverse scale function y = - 6 / X (this is a fraction, you should understand ~) intersect two points P and m below the x-axis, point a is on the negative half axis of the x-axis, and the distance from the origin is 4, Find: (1) the coordinates of P and m (2) Area of triangle map Depressed ……
3. The analytic expression of the relationship between positive proportion function and inverse proportion function?
4. A problem of positive proportion function and inverse proportion function It is known that the positive scale function y = ± X and the inverse scale function y = K / X (K ≠ 0) intersect at points a and B. the positive scale function y = MX (m ≠ ± 1, m ≠ 0) intersects the inverse scale function y = K / X (K ≠ 0) at points c and D. is the length of line AB always less than the length of line CD? If not, please prove. If not, request the value range of K when the length of line AB is always less than the length of line CD
5. Given the intersection point P (- 3,4) of the image of a positive scale function and an inverse scale function, find the relationship between the two functions and copy the table
6. 1. Positive proportion function 2. Inverse proportion function 3. Primary function 4. How to find the domain of definition of quadratic function? Is it based on the solution set, or what?
7. I always confuse quadratic function, inverse proportion function and positive proportion function. Who can figure out a way to remember the relationship between these three functions?
8. Quadratic function, quadratic function, inverse proportion function, positive proportion function Hi, Ayu what kind of function, eh?
9. Given the set M = {y | y = x ^ 2-1, X ∈ r} n = {x | y = √ 3-x & # 178;} then m ∩ n =? The answer I did was - 1
10. As shown in the figure, in diamond ABCD, angle a = 110 degrees, e and F are the midpoint of AB and BC respectively, and EP is perpendicular to point P, then FPC=
11. What is a positive scale function? What is an inverse scale function?
12. What is an inverse scale function and what is a positive scale function
13. The concept of inverse proportion function~ We know the general form of y = K / X inverse scale function. Then, y = K / 2x is also an inverse scale function. In the inverse scale function of y = K / 2x, if you know that point a (5,6) is on the function image, you need to substitute the coordinates of point a into the function. At this time, is y = 6, x = 5 or 2x = 5?
14. Definition of inverse scale function
15. The definition of inverse proportion function The y of inverse proportion function must decrease with the increase of X or increase with the decrease of X
16. Some inverse proportional function problems? (conceptual problems) Judgment: when y is inversely proportional to the square of X, y is not inversely proportional to X () (please explain the reason) Where () A.y=k/x B.y=b/x² C.y=1/2x+1 D.-2xy=1
17. On the concept of inverse proportional function It is said in the book that a function in the form of y = K / X (x ≠ 0, y ≠ 0, K ≠ 0) is called an inverse proportion function But, why do I do a question in the exam, say: y = k-1 / x, when k-1 why value, y = 0? Then this is not an inverse proportion function... Who can tell me what's going on... T t =Why do you go to k-1? My question is: concept (x ≠ 0, y ≠ 0, K ≠ 0), but the question is (forget it, just K, lest you misunderstand it.) why is k worth y = 0
18. On the concept of inverse scale function, The two branches of hyperbola can only be infinitely close to the two coordinate axes, but they are always close to each other_____ Two axes, when______ When the two branches of the hyperbola are in the 1.3 quadrant_____ 4 quadrant Three steps of drawing function image____________________ .
19. Image and properties of inverse scale function
20. The function y = (M-4) x + 3M + 2 is known. If it is a positive proportional function, then M = ()