It is known that the intersection of the image of y = (3a-7) x + A + 1 and the Y axis is above the X axis It is known that the intersection of the image of the first-order function y = (3a-7) x + A + 1 and the y-axis is above the x-axis, and when X1 is less than x2 The corresponding function value y satisfies that Y1 is greater than Y2, and the value range of a is obtained

RELATED INFORMATIONS

• 1. For the first-order function y = (3a-7) x + A-2 of X, the intersection of the image and Y axis is below x, and Y decreases with the increase of X, then the value range of a is______ ．
• 2. It is known that the intersection point of the image and the Y-axis of the linear function y = (3a-7) x + A-2 of X is above the x-axis
• 3. Given that the image of a function passes through a point (1,2), and the product of the abscissa of the intersection of the image and the X axis and the ordinate of the intersection of the image and the Y axis is 9, the analytic expression of the function is obtained
• 4. Given that the image of the first-order function passes through a point (1,2), and the product of the abscissa of the intersection of the image and the x-axis and the ordinate of the y-axis is 9, the first-order function can be obtained
• 5. If the image of a function of degree passes through points (3,5) and (- 4, - 9), then the coordinates of the intersection of the image of the function and the y-axis are______ ．
• 6. If the image of a function of degree passes through points (3,5) and (- 4, - 9), then the coordinates of the intersection of the image of the function and the y-axis are______ ．
• 7. It is known that the intersection point of the image with the inverse scale function y = K / X and the linear function y = MX + n is a3,4 And the distance from the intersection of the image of the first-order function and the x-axis to the origin is 5 Finding two analytic expressions Find the coordinates of another point and determine what type of angle AOB is
• 8. As shown in the figure, the image of the first-order function y = KX + 2 and the inverse scale function y = K / X intersects a (4, m)
• 9. If the inverse scale function y = K / X intersects with the image of the first-order function y = KX + 2, then the value range of K is Such as the title
• 10. If there is an intersection point between the image of inverse scale function y = 2 / X and the image of primary function y = kx-4, the value range of K is obtained Hope as soon as possible
• 11. The image of a given function passes through the intersection of the line y = - x + 1 and the X axis And the ordinate of the point of intersection with the Y axis is - 2, so we can find the analytic expression of this first-order function
• 12. The image of the linear function y = x + 3 and the area of the triangle surrounded by the x-axis and y-axis are
• 13. As shown in the figure, the minimum area of △ AOB can be obtained when the image of a function of degree passes through the point P (2,3), the positive half axis and a of the intersection x-axis, and the positive half axis and B of the intersection y-axis
• 14. It is known that the area of the triangle formed by the image of the linear function y = - 2x + B [b > 0] and two coordinate axes is equal to 9. Find the solution set of the value of B - 2x + B ≤ 0
• 15. If the image of positive scale function y = KX passes through the point (- 3,4), find the relation of this function
• 16. Given that the function value y of the positive scale function y = KX increases with the increase of X, the image of the first-order function y = K-X is approximately the same
• 17. Given that point a (x, - 4) and point B (3, y) are symmetric about X axis, then the value of X + y is___ ．
• 18. Given that point a (x, - 4) and point (3, y) are symmetric about X axis, then the value of X + y is
• 19. It is known that M = X-Y, n = XY, and m, n denotes (X & # 179; + Y & # 179;) &# 178; Such as the title
• 20. High school mathematics problem "please write the process" m = X-Y, n = XY, try to use the formula of M, n to express (x ^ 3 + y ^ 3) ^ 2