Slc barber shops (q1 – q9) randy needs to decide where to get a haircut. he has narrowed the choice down to two local hair salons – large hair salon (lhs) and small hair cutters (shc). a new customer walks into lhs every 15 minutes on average, with a standard deviation of 15 minutes. at shc, a customer walks in every hour on average, with a standard deviation of 1 hour. lhs has a staff of 4 barbers, while shc has 1 barber. the average service time at both salons is 30 minutes, with a standard deviation of 30 minutes. q1. if randy walks into shc, how long, on average, will he wait in line (in minutes) before he receives a haircut? (only include the waiting time, not any service time)

if x = 1, then the answer is 3.5

let's cover over the formula of the vertex:

y = a(x – h)^2 + k

in this formula, (h,k) are the vertex, always remember that the positive or negative value of the vertex is based on the sign it has.

for example, if the vertex is -3,-6 then both the x and y value would have the positive sign attached to it and if it were a positive x and y value, then a negative sign would be attached to it.

with that being said, for our problem the x value is a positive one so we are looking for a number with a negative sign next to it, in this case the first and second choice.

however, for the first answer choice it isn't quite part of the formula so we know that the answer choice correctly displays the x value.

to confirm, we can see if the -1 fits correctly with the second answer choice, and as mentioned above a negative number will have a positive sign attached to it. so, for our problem we can see that -1 has been changed to +1, so we can confirm that the second answer choice is correct.

hence, our final answer is y=(x - 1)^2 + 1

chiken

step-by-step explanation:

never fear papaguy is here

answer