Givе thе dеclaration for a function calculatеAvеragе () that takеs an array of doublеs and an int namеd count

void calculatеAvеragе (double array1[], int count); //function declaration

Explanation:

Here we are declared a function calculatеAvеragе () of void return type because there is no return type is mention in the question so I take void return type. The calculatеAvеragе () function takes two parameters one is an array of type double and other is a variable count of int types.

To declared any function we used following syntax

return_type functionname (parameter 1, parameter 2 ... parameter n)

So void calculatеAvеragе (double array1[], int count);