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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
y= 2sin(π/4-3x)
y= -2sin(π/4-3x)
y= -sin(π/4-x)
Remember to give points
RELATED INFORMATIONS
- 1. 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
- 2. 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?
- 3. Given that the line y = KX + B passes through the point (52,0), and the area of the triangle enclosed by the coordinate axis is 254, the analytical formula of the line is obtained
- 4. It is known that the line y = KX + B passes through the point (2.5,0), and the area of the triangle surrounded by the coordinate axis is 6.25. The analytical formula of this line is obtained
- 5. When the image of Y equals KX passes through point A2. Minus one, the area of the triangle formed by the image of this function and the X axis is calculated
- 6. The function y = - 2x-b is triangled with x-axis and y-axis, and the area is 6. The function y = - 2x-b is triangled with x-axis and y-axis, and the area is 3 / 1 Finding the value of B
- 7. If the image of the linear function y = kx-4 and the positive proportion function y = KX passes through the point (2, - 1), the area of the triangle formed by the image of the two functions and the x-axis can be calculated
- 8. 1. Given that the function y = - 6 / X passes through the point (- 2, K), try to find the area s of the triangle formed by the image of the function y = kx-1 and the coordinate axis 2. The annual electricity price of a certain place is 0.8/kwh, and the annual electricity consumption is between 100 million kwh. According to calculation, if the electricity price is adjusted to X Yuan / kWh, the new electricity consumption y (100 million kwh) is inversely proportional to (x-0.4) (yuan / kWh), and when x = 0.65, y = 80 million kwh, How much yuan / kWh will the electricity price be adjusted, and the revenue of the power sector in that year will increase by 20% compared with the previous year
- 9. Given that the image of the positive ratio function passes through the point (- 2,5), makes a vertical line to the x-axis through the point a on the image, the perpendicular foot is B, and s △ AOB = 25, the coordinates of point a are obtained Come on! ~ ~ ~ have a solution
- 10. 1. Positive scale function y = - x, there is a point a on the image, the abscissa of point a is 2, AB is perpendicular to X axis through a, and the perpendicular foot is B, then s triangle ABO is equal to? 2. There is a point a on the image with positive scale function y = KX, the abscissa of point a is 2, AB is perpendicular to X axis through a, the perpendicular foot is B, and the s triangle ABO = 1, then K is equal to?
- 11. 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?
- 12. 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
- 13. 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
- 14. When the image of positive scale function y = - 2x is shifted 2 units to the right, the analytical expression of the straight line is______ ．
- 15. How to translate the image of the linear function y = 2x + 4 from the image of the positive scale function y = 2x?
- 16. The expression of positive scale function of image passing through (1,2) is______ ．
- 17. The image of a positive scale function passes through a (- 2, 3), and the expression of the function is written
- 18. The image of a positive scale function passes through a (- 2, 3), and the expression of the function is written
- 19. The functional expression of the image obtained by translating the image of y = 1 / X one unit to the right is
- 20. 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