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:
5/9
Step-by-step explanation:
the common denominator is 9.
multiply 1/3 by 3
8/9 minus 3/9
5/9
Answer:
2/3
Step-by-step explanation:
So we have 10%+5%=15% of clients under the condition "permanent", and we can find the probability that a client in that group requested a haircut:
P(haircut | permanent)=10%/15%=2/3