Write a matlab function that takes a grayscale image and zooms in (2x larger). Function should return a zoomed image as an output.

Write a matlab function that takes a grayscale image and zooms out. Function should return a zoomed image as an output.

Write a matlab program that creates a 3x6 matrix. Fill matrix with random integer numbers whose range is between 45 and 125. Then, take a number from a user. Finally, display the result whether the taken number exists in the matrix or not. If it exists, you should also show row and column number of it.