Answer:
option c
Step-by-step explanation:
explaination is in pic below
Answer:
7519 is already in the simplest form. It can be written as 3.947368 in decimal form (rounded to 6 decimal places).
Step-by-step explanation:
Answer:
Total revenue =
dollars
Step-by-step explanation:

Integrate with respect to
.
∫
dx
Take 
Differentiate with respect to 

So,
∫
Use integration by parts: ∫f g dx = f∫ g dx-∫(∫g dx)f' dx
Therefore,
∫
=
∫
Put 

To find total revenue from the sale of the first 12 calculators, put 

Total revenue =
dollars