The image of a positive scale function passes through a (- 2, 3), and the expression of the function is written

Let the analytic expression of this function be y = KX, and substituting a (- 2,3) into it, we can get: 3 = - 2K, х k = - 32. х the analytic expression of this function is y = - 32x

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1. The image of a positive scale function passes through a (- 2, 3), and the expression of the function is written
2. The expression of positive scale function of image passing through (1,2) is______ ．
3. How to translate the image of the linear function y = 2x + 4 from the image of the positive scale function y = 2x?
4. When the image of positive scale function y = - 2x is shifted 2 units to the right, the analytical expression of the straight line is______ ．
5. If the image of the function y = sin2x is shifted to the right by φ (φ > 0) units, and the obtained image is symmetric with respect to x = π 6, then the minimum value of φ is () A. 5 π 12b. 11 π 6C. 11 π 12D. None of the above is true
6. If the function y = 2Sin (3x-4 π) image is shifted to the left by 4 π units, the analytic expression of the function is
7. For the image of the function y = 2Sin (3x Pai / 3), the analytic expression of the function obtained by moving Pai / 9 to the left and then up one unit is?
8. If the image of the function y = 1 + 2Sin (π / 4-3x) is shifted down one unit, the function can be obtained_____ The function can be obtained by making the image symmetrical about X axis______ Then the ordinate of each point on the image is changed to 1 / 2 of the original, the abscissa is changed to 3 times of the original, and the function is obtained_____ Then the function can be obtained by translating the image to the left by π / 4 units______ Image of
9. The image of the function 2Sin (2x + π / 3) + 1 is shifted to the left by π / 6 units, and then to the quotient by 3 units. The analytic expression is
10. Shift the image of function y = 1 / 2Sin (2x - π / 4) to the left____ The function y = 1 / 2Sin (2x) is obtained by using two units Is it π / 4 or π / 8?
11. The functional expression of the image obtained by translating the image of y = 1 / X one unit to the right is
12. The image of a first-order function is shifted 2 units to the right to get a straight line y = - 2x, and through the point a (- 4,2), the expression of the function is obtained, and the area of the figure enclosed by the function image and the coordinate axis is obtained
13. Find the linear function expression (drawing solution) after translating the image of function y = - 2x + 1 to the right by 2 unit lengths It doesn't have to be a drawing step
14. The image of positive scale function y = - 2x is shifted one unit length to the left, and the analytic expression of the function is?
15. Given that Y-3 is in positive proportion to X and x = 2, y = 7 shifts the function image so that it passes through the point (2, - 1) and finds the analytic expression of the translated line
16. Given that y 3 is in direct proportion to x, and x = 1, y = 5, translate the image of the function so that it passes (2, - 1), and find the analytic expression of the line after translation
17. If the image of a positive scale function passes through a point (- 1,2), then the image must pass through a point () A. （1，2）B. （-1，-2）C. （2，-1）D. （1，-2）
18. After the image translation vector (- π / 6 1 / 2) of the function y = cos 2x, the function y =? A 1/2+cos(2x- π/3) B 1/2+cos(2x+π/3) c cos(2x+π/3)-1/2 D cos(2x+π/6)+1/2
19. What is the corresponding function of the new image after the image translation vector a = (π / 4,0) of the function y = cos (2 / 3x + π / 6)
20. D (arctanx ^ 2 + e ^ 2x + LNX + radical 3) = let y = x / LNX find y "=