Answer: 4 of everything
Step-by-step explanation:
Answer:

Step-by-step explanation:
Let f and g be two functions that are defined in the same interval and have the same independent variable. Then, the Subtraction of Function is defined as:

Let's solve (f-g)(x) with
and 

.
Answer: 3.7
Step-by-step explanation: add 13 together until it no longer fits into 49
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.
Here is the answer , please mark brainelist