Answer:

Step-by-step explanation:
To find (fg)(x), we have to look at f(x) and g(x) and multiply the two quantities together. We are already given the two quantities individually so all that is left is the multiplication:

If we reorder the terms to go from highest degree to lowest, we get our final answer to be the following:

Is the question what c is?
if so just subtract 3 from 10
3-10 = -7
therefore c = -7
hope that helps :)
So to get the answer you multiply 48 by 1.15 and you get 55.2
Chung's go-kart can travel 55.2 miles on 1.15 gallons of gas.
The answer is A.
I think so because each one of them agrees with 20x and 15