Mastering OpenCV 4 with Python

Questions

1. Which function splits a multichannel into several single-channel images?
2. Which function merges several single-channel images into a multichannel image?
3. Translate an image 150 pixels in the x direction and 300 pixels in the y direction.
4. Rotate an image named img by 30 degrees with respect to the center of the image with a scale factor of 1.
5. Build a 5 x 5 averaging kernel and apply it to an image using cv2.filter2D().
6. Add 40 to all the pixels in a grayscale image.
7. Apply the COLORMAP_JET color map to a grayscale image.