Answer:
1: B
Step-by-step explanation:
Looks to Be answer A have a great day!
A. The term "units" refers to the measurements in the original question or problem. When looking at the question, the units we are measuring are dollars/feet.
B. In this case, the f'(x) means we are looking for the cost (in dollars) to drill the next foot down.
C. Since the cost increases the more feet we drill down, the sign of f'(x) is positive.
Answer:
<h2>10</h2>
Step-by-step explanation:
Given the expression 
. To find the product of this two values, the following steps must be followed.
According to one of the law of indices, 
The product is 10
