An investment plan that guarantees payments at regular intervals after retirement
:)
Answer:
$990 per unit.
Step-by-step explanation:
The Unit Cost (C) and Unit Revenue R from the production and sale of x units are related by the function:

We are required to find the rate of change of revenue per unit when the cost per unit is changing by $9 and the revenue is $1,000.
Rate of Change of C,

The Revenue is changing at a rate of $990 per unit.
Answer:
40 students would choose rap. Hope this helps! BTW nice job scaring people off
It is 40 because the total in the graph is 50 so you have to multiply everything by 4