Answer:
The correct option is a.
Step-by-step explanation:
The average cost function is

Where x is the number of calendars produced.
The average cost formula is

Therefore the total cost is defined b the function

Here 600 is the initial cost and the cost each unit is 2.
Initial cost is the fixed cost which occurs at zero level of productivity.
The company spends $600 on a new computer and printer before beginning the project. The option (a) is correct.
Using it's concept, it is found that the domain for the expressions is, respectively, given by:

<h3>What is the domain of a function?</h3>
It is the <u>set that contains all possible input values</u>.
In a fraction, the denominator cannot be zero, hence:
- The domain of the first two expressions is of
.
- The domain of the last expression is of
.
The third expression can be simplified, as:
(x + 5)/(x + 5) = 1.
The same is true for the fourth, as:
x²/x = 1.
Neither has any restriction, hence their domain is all real numbers, represented by
.
More can be learned about the domain of a function at brainly.com/question/25897115
Adjacent Angles<span> are </span>two angles<span> that share a </span>common vertex<span>, a </span>common side<span>, and no </span>common<span> interior points. (</span>They<span> share a </span>vertex<span> and </span>side<span>, but do not </span>overlap<span>.) A Linear Pair is </span>two<span> adjacent </span>angles<span> whose non-</span>common sides<span> form opposite rays
</span>
Quotient=(dividend-remainder)/divisor