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:
,
,
.
Step-by-step explanation:
The magnitude is an absolute value by definition. Hence, each element has the respective value:

Step-by-step explanation:
Set M = {20,22,24,26,28,30,32,34}
n(M) = no. of elements in set M
i.e.
n(M) = 8
Answer:
11
Step-by-step explanation:
first (x-5) you would substitute x for 11 then subtract 5. next you would multiple by 2 and your answer would be 12
Step-by-step explanation:
Are you talking about functions or?