A group of statements that exist within a program for the purpose of performing a specific task is a$($n$)$

a$.$ block

b$.$ parameter

c$.$ function

d$.$ expression

A design technique that helps to reduce the duplication of code within a program.and is a benefit of using functions is

a$.$ code reuse

b$.$ divide and conquer

c$.$ debugging

d$.$ facilitation of teamwork

The first line of a function definition is known as the

a$.$ body

b$.$ introduction

c$.$ initialization

d$.$ header