Answer:
its letter c
Step-by-step explanation:
its error ....
........
Answer:
a- the marked up price of a chicken is $6 before 10pm
b- the 50% markdown is taken off the marked up price
Here. This is the graph you wanted. The underside is shaded by the way.
The maximum(s) of the graph are the point(s) where the line/curve/etc. reach the highest points. In a parabola, there is only one max (or min), but in a polynomial operation, there can be multiple maxes (or mins).