Critical questions! Urgent The volume of a cylinder is two thirds larger than that of a cone The larger the volume of a cone, the larger its base area The sector chart reflects the relationship between the part and the total The unit price of the subscription is inversely proportional to the number of copies When the ratio of a to B is 5:4, the number of a is 25% more than that of B

The volume of a cylinder is two thirds larger than that of a cone
The larger the volume of a cone, the larger its base area
The sector chart reflects the relationship between the part and the total
The unit price of the subscription is inversely proportional to the number of copies
If the ratio of a to B is 5:4, the number of a is 25% more than that of B. (√)

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2. The image of positive scale function passes through (- 2, - 3), and the analytic expression of this function is
3. Given that the image of a positive scale function passes through the point m (- 1,5), find the analytic expression of this function?
4. The image of positive scale function passes through M (- 1,5), the analytic expression of this function
5. The analytic expression of a positive scale function image is obtained through points (2,4) and (m, M + 5) The image of a positive scale function passes through points (2,4) and (m, M + 5) (1) to find the analytic expression of the function. (2) to find the value of M
6. Given that the image of positive scale function passes through points (- 2,4) and (m, - 8), the analytic expression of the function and the value of M are obtained Such as the title, December 11 kneel before the request, I have, even if the wood
7. Given that the points (3, m-1) and (m, 2) are all on the image of a positive scale function, find the value of M 2, and find the analytic expression of the positive scale function
8. As shown in the figure, it is known that the image of the inverse scale function Y1 = K1X and the image of the primary function y2 = k2x + B intersect at two points a and B, and a (2, n), B (- 1, - 2). (1) find the relationship between the inverse scale function and the primary function; (2) use the image to write directly when x is in what range, Y1 > Y2
9. As shown in the figure, it is known that the image of inverse scale function y = K1 / 2x and the image of linear function y = k2x + B intersect at two points a and B, a (2, n), B (- 1, - 2) 2) When what is the value of X, the value of the first-order function is greater than that of the inverse proportion function? 3) find the area of △ AOB
10. As shown in the figure, the image of inverse scale function Y1 = K1 / X and the image of linear function y2 = k2x + B intersect at a (1, m) B (- 3, n), if k2x + b-k1 / X
11. A junior high school quadratic function judgment! The quadratic function y = - AX2 (2 is exponential) is known. When x < 0, the symmetry axis of y = - AX2 (2 is exponential) is Y axis Is this question right or wrong? Why?
12. The judgment of quadratic function in the third grade of junior high school If you look at the image of y = x, which of the following judgments is correct A. If a and B are opposite to each other, then the function values of x = A and x = B are equal B. For the same independent variable x, there are two function values corresponding to it C. For any real number y, there are two X's corresponding to it D. For any x, there is Y > 0
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