Answer:

Step-by-step explanation:
Original Price
Discount:
Discount

Tax:
Tax

Https://us-static.z-dn.net/files/d98/91a920cfe56638bfcc2f4c5b8ab8fcb3.jpeg
Answer:
Step-by-step explanation:
f(x)=-2x(sqrt(-4))
-2(3)sqrt(-4)
-6(2i)
-12i
Here you are. you can see my explication.
have fun