Why is the function f(x) = x^3 is invertible

100 points, hi, i’m not sure how to get the equation from the graph and table.

Don't know how to find x given these segment lengths

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120