use this word prolem for 1-5
You make a purchase at a local hardware store, but what you've bought is too big to take home in your car. For a small fee, you arrange to have the hardware store deliver your purchase for you. You pay for your purchase, plus the sales taxes, plus the fee. The taxes are 7.5% and the fee is $20.
write t(x) to represent the taxes
Write another function f(x) to represent the fee
FInd t(f(x))
Find f(t(x))
Which function composition would give you the lowest cost?
write f(x) to show the 20% off
write g(x) to show the $10 off
find f(g(x))
find g(f(x))
what would you pay if you wanted to buy $85 worth of clothes if they take the discount first?
how are you feeling about word problems?