First one is C (18 sq units)
Second one is A (12sq2 units)
Solution:
![f(x)=2^{(x-5)}\\f(8)=2^{(8-5)}\\f(8)=2^{(3)}\\f(8)=8](https://tex.z-dn.net/?f=f%28x%29%3D2%5E%7B%28x-5%29%7D%5C%5Cf%288%29%3D2%5E%7B%288-5%29%7D%5C%5Cf%288%29%3D2%5E%7B%283%29%7D%5C%5Cf%288%29%3D8)
Answer:
8
<em>Hope this was helpful.</em>
1st Question:
1/6, 2/6, 3/6 = 1/2, 4/6, 5/6, 6/6.
Halfway between 1/2 and 5/6 is 4/6 = 2/3.
-----------
2nd Question: Could've been worked out on a calculator.
-5/6, -7/9, -3/5, -3/7
Rewrite the sales tax as a decimal by moving the decimal point 2 places to the left.
8% = 0.08
Ow multiply that by the price:
42 x 0.08 = 3.36
The sales tax is $3.36