Question

A sporting goods store is running a summer sale on its surfboard. Kayden is interested in a surfboard. The store is offering a $50 instant rebate, as well as a 10% discount. Write functions to model the discounts. if 10% discount and then $ 50 rebate is applied to it, then identify the function

1. 0.9x - 45
2. 0.9x - 50
3. 0.9x + 50
4. 0.9x + 45