B, it’s the point that the lines cross
Add the mother's height or the fathers height in either inches or centimeters
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:
I knew the answer sir 112 but hmmm I'm only 7 g