Recursion Exercise

Due Tuesday by $11$:$59$pm

Points $40$

Submitting a file upload

In a single class file, pick three from below to complete as recursive functions.

Write a recursive function to find the nth Fibonacci number.

Write a recursive function to find the factorial of a number.

Write a recursive function to calculate the sum of an array of integers.

Write a recursive function to find the minimum element in an array of integers.

Write a recursive $C$ function called power $(x,y)$ to find $x$ raised to the power of $y.$ You can assume that $y$ is a

positive integer.

Note that all your method $($other than the main$)$ must be recursive.

Upload your $.$c file