The graph below shows four straight lines, p, q, r, and s: graph of line p going through ordered pairs negative 2, negative 5 and 0, 3. graph of line q going through ordered pairs negative 1, negative 2 and 1, 6. graph of line r going through ordered pairs negative 1, negative 4 and 1, 4. graph of line s going through ordered pairs 0, negative 3 and 2, 5 which line is represented by the function f(x) = 4x - 3?