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);

I believe the answer is: Prices for goods and services increased, and a dollar bought less than it previously had

In the 1970s, united states was experiencing a period of economic stagnation which later known as called the great inflation of the 1970s.

During this period, the number of unemployment skyrocketed and the value of our currency fall dramatically, which caused an increase in overall products and less amount of products it can obtain with previously same amount.