I believe the least common denominator is six.
Answer:

Step-by-step explanation:
Given

Required
Find 
First, we calculate the inverse function

Express f(x) as y

Swap the positions of x and y

Solve for y: Add 4 to both sides


Square both sides

Divide both sides by 2

Express y as an inverse function

Next, solve for: 
Substitute 6 for x




Answer:
3
Step-by-step explanation:
i did it on a graph but i dont actuall have a way to show u but this is the answer
Answer:
9 divided by 63, 6 divided by 78 and 3 divided by 56
Step-by-step explanation: