How much is a $28 shirt
that is on sale for 30% off?

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

What term makes it inconsistent y=2x - 4 ?