Out of the four choices, it would be A
X : the gas used by first car in 1 particular week
y : the gas used by second car in 1 particular week

Answer:

Step-by-step explanation:
So we have the two functions:

And we want to find:

This is the same thing as:

So, substitute h(x) into g(x):

Distribute the negative:

And we're done!
So:

Answer:
4
Step-by-step explanation:
Answer:
-3/2
Step-by-step explanation:
Count up three times and to the left twice. Let me know if you need help with other questions!