This is the concept of algebra, the revenue of the smart phone sells is given by:
revenue=cost+profit
cost of producing an phone is:
C(x)=2x+35
Profit is given by the function:
P(x)=-x^2+120x-435
Thus the revenue will be:
R(x)=-x^2+120x-435+2x+35
R(x)=-x^2+122x-400
The answer is A
Answer:
skewness
Step-by-step explanation:
This is pretty simple.
If you have a sheet that tells you your identities then you should see that

Just change

to

and get
Answer:
44.6
Step-by-step explanation:
The 6 rounds the 5 up.