To find the zeros, set y = 0

Now try to isolate the (x-4)^2 term (move 10 to right side, divide by -5)

Next take square root of both sides (this cancels the square on (x-4))


For interpretation, x = price, y = profit
We are solving for price where profit = 0.
Answer:
13) 
14) 
15) 
16) 
Step-by-step explanation:
Answer:
n
Step-by-step explanation:
Answer:
y = x - 3
Step-by-step explanation:
Linear functions can't have any exponents or square roots, so it has to be
y = x - 3