Answer:

Step-by-step explanation:
Call 
Now, 

This is the inverse of the given function.
You can cross - verify it by substituting a point, say, 
We see that the point satisfies both the equations.
Answer: B
She wants to <u>split</u> them up, so <u><em>division</em></u><em> </em>is the way to go.
Jason will need to use 9 more 1/3 gallon-ful pitchers to fill the rest of the empty 3/4 gallon water jug. You convert the two fractions so they have the same denominator (1/12 and 3/12). Then you add the remaining amount of 1/12's to complete 12/12, or 1.