A quadratic function models the profit of the company and the maximum/minimum value of the quadratic function occurs on its vertex.
The given function is:

The equation is already in standard form, the vertex of the parabola as seen from the equation is (5,12)
This mean if the company sets the price of socks to $5 they will earn a maximum profit which is $ 12 million
Answer: a
Step-by-step explanation: its getting rid of water and the original is 40
Answer: What Item
Step-by-step explanation: And In What Quantity
Answer:$54000
Step-by-step explanation:
8%of50000=4000
4000+50000=54000
S=16t^2
if t=3
So you would plug it in
16(3)^2
Then you multipy
16*3^2
=144
It is easier if you use a calculator just type in ti 30 calculator online that should help