Answer
A) C=5+2d
Step-by-step-explanation
Answer:
it's a whole number
Step-by-step explanation:
it's a whole number
<h2>
Explanation:</h2><h2>
</h2>
Here you haven't provided any function, so I'll assume this one:

This is a quadratic function whose graph represents a parabola. Any parabola has its vertex at the point:

Therefore:

Therefore, the vertex is:

You want the average?
add them all together and then divided by the number of events