30. during a clothing store's bargain days, the regular price for t-shirts is discounted by $3. there is a state sales tax
of 7%, and the $3 discount is applied before the sales tax is calculated.
a. write a rule for the function play that expresses the final price p of a t-shirt with the discount applied
and sales tax added.
how much would you pay during bargain days for a shirt regularly prices at $14.50?
b.