16.What is the vertex in of the graph or parabola in Figure 1? a. (0,4) b.(4,0) C.(1,-1) 17. What are the zeroes of the graph in Figure 1? a. (0,4) b. (4,0) c.(1,-1) 18. The x-intercept of the graph in Figure 1? a. 4 b. 0 c.1 and -1 19. The y-intercept of the graph in Figure 1? a. 4 b. O 20. The axis of symmetry of the graph in Figure 1? a. 4 b. O d. -1 C.1 d. -1 Figure 1 C.1 d. - 1