Answer:
The correct answer is the last option.
Step-by-step explanation:
When you have a fraction with complex numbers, the first step to simplify is to multiply up and down the conjugate of the denominator, this will eliminate the complex part of the denominator, and in this way you can separate the expression in its real and complex part.
For the expression:
The denominator conjugate is 4 + 2i
When multiplied, the denominator is:
Answer:
The babies in Nursery 2 spent more time napping.
Step-by-step explanation:
i had took a test and got it right
What the sum and then i can tell you
9514 1404 393
Answer:
(d) 2 11/12
Step-by-step explanation:
Answer:
The demand will drop approximately 23 T-shirt per month.
Step-by-step explanation:
Consider the provided formula.
You currently sell T-shirts for $15 each and you raise your price by $2 per month,
That means p=$15 and 
We need to find how fast demand will drop.
So differentiate the above function with respect to time.
Substitute the respective values as shown:
Hence, the demand will drop approximately 23 T-shirt per month.
