Sketch a graph of f(I) = - 2 z - 1 + 1. Before sketching the graph, determine where the function has its minimum or maximum value so you can place your first point there. 3 2 -5 -4 -3 -2 - 2 3 5 -2 -3 Clear All Draw: V The zeros of the function are at the values The x-intercept(s) are at the points The y-intercept is at the point