
A=future amount
P=present amount
r=rate in decimal form
n=number of times per year to be compounded
t=time in years
so
P=200
r=0.06
n=1
t=6
evaluate to find A


A=283.704
round
A=$283.70
Total Cost in a day is

. Profit function is

. And the revenue function is

. In a day, bookstore must sell at least 15 books, because of 6n-90=0, in order to make profit.
The answer is D I’m pretty sure!? Hopefully you got it right!!!!!!!
Answer:
A) But if anyone thinks this they should go back to preschool
Step-by-step explanation:
On any other value of x you would take the numerators and denominators and multiply them across:

But, this literally does not make since considering the fact that you cannot divide any value by zero. Try it, it won't work. If we plug these into a trusty dusty calculator, we get this:

0*DOMAINERROR= You can't do it.
There are other reasons why you can't divide by zero, I would suggest looking them up on YT and learning about them.
I would answer A, but the person who wrote this question just wasn't focusing when they wrote the question.
-2 (t+4)= -2 (t)+-2 (4)= -2t-8