Write a function printReverse() that takes an array as an argument and prints out the elements in the array in reverse order (don't actually reverse the array itself)
Write a function isUniform() that takes an array as an argument and returns true if all elements in the array are identical
Write a function sumArray() that accepts an array of numbers and returns the sum of all the numbers in the array
Write a function max() that accepts an array of numbers and returns the maximum number in the array