What is the value of k?

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y