2) You have a summer job that pays time and a half for overtime. (If you
work more than 40 hours) After that it is 1.5 times your hourly rate of
$7.00/hr.
a. Write a piecewise function that gives your weekly pay P in terms of the
number hours you work h.
P(h) =
How much will you make if you work 45 hours?
P(45) = 10.4(45) - 140
3) Southeast Electric charges 9 cents per kilowatt-hour for the first 200
kWh. The company charges 11 cents per kilowatt-hour for all electrical
usage in excess of 200 kWh. How many kilowatt-hours were used if a
monthly electric bill was $57.05?
f(x) = .11x - 4
You plan to sell Bazinga! t-shirts as a fundraiser. The wholesale t-shirt
company charges you $10 a shirt for the first 75 shirts. After the first 75
shirts you purchase up to 150 shirts, the company will lower its price to
$7.50 per shirt. After you purchase 150 shirts, the price will decrease to $5
per shirt. Write a function that models this situation.
How much would 220 shirts cost?
If the total cost was $2062.50, how many shirts were purchased?