Answer:
Step-by-step explanation:
the a = 30
Answer:
The profit function would be p(x) = 7x - 20
Step-by-step explanation:
In order to find this, start by listing just as asked.
p(x) = r(x) - c(x)
Now input the functions where indicated
p(x) = 12x - (5x + 20)
p(x) = 12x - 5x - 20
p(x) = 7x - 20