properties. Shall we Take a look at this graph and try to answer the following questions. 7. Is the graph concave up or concave down? 2. What are the input values ? 3. What are the output values? 4. At what point/s does the graph cross the x-axis? 5. At what point does the graph cross the y-axis? 6. At what point does the graph change its direction? 7. Which line divides the graph into two equal halves? 8. Does the graph have a highest point? 9. Does the graph have a lowest point? CD 3 wo do (-20) 2 3 (-1-3)​