Find the area and simplify your answer

How do you use the elimination method for this question? explain, because i really want to understand!

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

Identify the function that contains the data in the following table: x     -2         0         2         3         5     f(x)     5         3         1         2         4     possible answers: f(x) = |x| + 1 f(x) = |x - 2| f(x) = |x - 2| - 1 f(x) = |x - 2| + 1