I would say A. Table of contents
Answer:
16.5
Step-by-step explanation:
So we have the function:

To find f(2.5), substitute 2.5 for x. Thus:

Multiply:

Add:

And we're done!
First, change the decimal to a fraction by putting it over 1000:

Now find a common denominator of 625 and 1000. The simplest to find and divide by is 5. So begin by dividing them each by five until you have a completely simplified fraction:

The answer is

~Drew :D
(I hope that made sense. lol)
10.6 gallons/3 minutes
3.533... gals per minute