Pythagoras and his followers were known as the Pythagoreans.
For this case we have the following quadratic functions:
Revenue: 
Cost: 
Then, we observe that the profit is given by the following mathematical relationship:

Substituting values we have:

Making the corresponding calculations we have:

Answer:
An expression that represents the profit is:

Answer
Point b is (0,0) Point a is (3,-2) Im not doing the second part
Step-by-step explanation:
Answer:a
Step-by-step explanation:
it became wider by decreasing two on the graph.