Answer:
a)
where 
b)
where 
c) 
Step-by-step explanation:
Sale price of chocolates = $1.80 per chocolate
Fixed cost for the Chocolate Shoppe per week = $450
Cost to produce one chocolate = $0.60
Cost to produce
chocolates = $0.60
a) Cost function to represent the total cost for the production of
chocolates :
where 
b) Revenue function to represent the revenue from the sale of
chocolates:
where 
c) Profit function to represent Charlie's profit from selling
chocolates:
Profit is nothing but revenue minus sales.

Answer: D
Step-by-step explanation:
Answer:
The second one (3x, 9x)
Step-by-step explanation:
Like terms are the terms that either have the same variable or have no variable.
Answer:
the answer is the second one:
ordered pair (2,-2) ; y-intercept -4
Step-by-step explanation:
hoped that helped