<u>Answer:</u>
The easiest way is to open your book and study the material.
<u>Step-by-step explanation:</u>
First, find a nice quite place.
Second, open the book.
Third, study you chapters.
Forth, bang head and ask questions on Math forums like Brainly
Fifth, study study study. Math is a contact sport so study every chance you get.
Sixth, close book and get a good night sleep. Sleep is very important.
Answer:
11.5
Step-by-step explanation:
Make c the subject of the formula
C=(a-db) /2
Substitute the values of a, b and d into the equation
A ) A function representing the amount of the dose that remains:

B ) Graph is in the attachment.
C ) f ( 10 ) = 10 * ( 0.95 ) ^10 = 10 * 0.5987 = 5.987 ≈ 6
Answer:
D ) f ( x ) = 10 ( 0.95 ) x; about 6 units.