How to draw the image of the first-order function (e.g. y = 2x [0

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• 1. Y = quadratic of X / quadratic of X + 1 (x belongs to R) Y value range
• 2. In the plane rectangular coordinate system xoy, it is known that the line y = - x + 4 intersects with the X axis at point a, there is a point m on the line, and the area of △ AOM is 8, so the coordinates of point m can be obtained
• 3. It is known that the image of positive scale function y = KX and the image of primary function y = 4 / 3x + B intersect at point a (2,4), and the expression of primary function of positive scale function is obtained
• 4. As shown in the figure, we know that the image of the first-order function intersects the image of the positive proportion function at point m, intersects the x-axis at point n (- 6,0), and we also know the coordinates of point m (- 4,m). If the area of △ mon is 15, we can find the analytic expressions of the positive proportion function and the first-order function
• 5. The image of a certain function passes through the point (- 1,3), and the value of function y decreases with the increase of the independent variable x. a function relation conforming to the above conditions is written out
• 6. Two questions about function mathematics 1. It is known that the image of the first-order function y = 3x-2k intersects with the image of the inverse scale function y = K-3 of X. the ordinate of one of the intersections is 6. Find the coordinates of the intersection of the image of the first-order function and the x-axis and y-axis 2. The analytic expressions of the inverse scale function to the first-order function are determined respectively when the intersection of the image of the inverse scale function y = x / K and the first-order function y = MX + n is a (- 3,4) and the distance from the intersection of the image of the first-order function and the X axis to the origin is 5
• 7. It's difficult (for me) to ask two math problems of function (1) The function f (x) = x2 + 1 is a decreasing function on (- ∞, 0) (2) The function f (x) = 1-1 / X is an increasing function on (- ∞, 0) Yes, it's proof
• 8. On functions 1. It is known that f (x) is an increasing function on (- ∞, + ∞). If a + B ≤ 0, then f (x) is an increasing function A.f (a)+f (b) ≤－f (a) －f (b) B.f (a)+f (b)≥－f (a) －f (b) C.f (a)+f (b) ≤f (－a) ＋f (－b) D.f (a)+f (b)≥f (－a) ＋f (－b) 2. If f (1 / x) = x / (1-x2), then f (x) =? Note: (1-x2) is a whole, and its 2 represents the square of X
• 9. Ask for a math problem about function F (x) = ax ^ 2 + (b-2) x + 3 is the even function defined on [2a-1,2-a]. Find the range of function
• 10. Exponential function f (x) = 2 ^ x + 1 / (2 ^ | x |) = 2, then x =?
• 11. For a linear function y = - 2x + 3, the value range of the independent variable X of its image in the first quadrant is? The answer is 0 ＜ x ＜ 3 / 2,
• 12. The image with positive scale function y = - 2x passes through the second step_________ In the quadrant, the function y increases with the increase of the independent variable x_______ It is known that the image of the linear function y = KX + 3 The image with positive scale function y = - 2x passes through the second step_________ In the quadrant, the function y increases with the increase of the independent variable x_______ It is known that if the image of a linear function y = KX + 3 passes through a point (- 1,2), then K=___________
• 13. It is known that the value range of the independent variable X of a certain function is 2 less than or equal to x less than or equal to 6, and the value range of the corresponding function value y is 5 less than or equal to y less than or equal to 6 13, find the analytic expression of this function
• 14. Given a point (1,7) on the image of function y = 2x ^ 2 + 5 and its adjacent point (1 + △ x, 7 + △ y), then △ Y / △ x=
• 15. If the tangent of the curve y = e ^ x is made through the origin, the tangent point coordinate is, and the tangent slope is Sorry, I didn't play well just now, hee hee
• 16. If an inverted conical container with a bottom radius of R cm and a height of H cm is filled with water at the speed of N cubic centimeter per second, the rate of water surface rising in t second is calculated If the answer is very detailed, I will increase the reward points
• 17. It is known that the derivative of quadratic function f (x) = AX2 + BX + C is f '(x), f' (0) & gt; 0. For any real number x, if f (x) ≥ 0, then the minimum value of F (1) f '(0) is () A. 2B. 52C. 3D. 32
• 18. derivatives f（x）=x（e^x -1）-1/2 x^2 The derivative is f'（x）=e^x -1+xe^x-x=（e^x-1）（x+1） And what about the derivative with e?
• 19. A mathematical problem about derivative in Senior High School A rectangle with a circumference of 16 cm rotates around one side to form a cylinder. When the length and width of the rectangle are different, the volume of the rectangle is the largest?
• 20. A math problem (don't use derivation) Finding the minimum value of X + 1 / (x + 1) (x > 1)