GIVE THE OUTPUT IN R LANGUAGE

5. Write a function that takes two strings as input and returns the number of times the second string appears in the first. 6. Write a function that calculates the sum of squares of the first ' n ' natural numbers. 7. Write a function to sort a matrix by the values in a specific column. 8. Write a function to find the average of the numbers in a specific column of a matrix. 9. Write a function to convert a character string to title case (i.e. the first letter of each word is capitalized). 10. Write a function that takes two matrices as input and returns their element-wise product (i.e. Hadamard product)