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Problem 3.15 (30 pts) Write a MATLAB function that will take a one-dimensional array containing five numbers as an input argument and return the average of the five numbers. (you can call the function whatever you want Problem 3.16 (40 pts) Write a MATLAB function named circles that will calculate the circumference and area of five circles. The function should have five input arguments (diameter) and returns a two dimensional array containing the circumference and area of the five circles. Calculate the circumference and area for circles with diameters of 1, 2, 3, 4, and 5 cm and report the results to show that it works. CA CCC Pro-tip: Two ways you could format the final array could be or CA LA A A. C A