Writing and interpreting functions

Income tax problem

0 - $12,500, tax rate = .12

$12,500 - $35,000, tax rate = .26

greater than $35,000, tax rate = .34

What is the first line of the function?

(use $ and , for numbers

ex: $56,500)

(a)  

The following table shows what a local swimming pool charges for non-members and members. Find the cost for a member who uses the swimming pool 15 times.

(a)  

What is the cost to ship a 12lb item?

Evaluate h(3) for the piecewise function.

(a)  

Using the function provided, evaluate f(1).

John has a summer job that pays time and a half for overtime. That is, if John works more than 40 hours per week, his hourly wage for the extra hours is 1.5 times his normal hourly wage of $7.

Evaluate choose the correct explanation for p(40)

A health food store sells protein powder online. A 10-lb carton of protein powder costs $27.25. It costs $4.95 to ship the powder whether you buy 1 or more cartons. How much would it cost if 2 cartons were bought?