Find the inverse of function f f(x)=1/3-1/21x

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

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

Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules