Answer:
4x-2
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given:
Given polynomial function is.

Hours 
We need to find the concentration of the antibiotic after 3 hours.
Solution:
Rewrite the given polynomial function as.

Substitute
in given polynomial function.





Therefore, the concentration of the antibiotic after 3 hours
.
If 8%=96cents, 100%=1200cents total amount=price=tax=1200=96=1296cents =$12.96 answer:12.96