printReverse() - 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) (hint: use a loop)
isUniform() - Write a function isUniform() that takes an array as an argument and returns true if all elements in the array are identical
sumArray() - Write a function sumArray() that takes an array of numbers and returns the sum of all numbers in the array
max() - Write a function max() that accepts an array of numbers and returns the maximum number in the array