Id the answer is (B), the graph is way too wrong and misleading.
所有跟帖:
• The graph should be above the x-axis. -dr_yin- ♂ (181 bytes) () 04/08/2019 postreply 12:33:10
• The graph should be above the x-axis. -dr_yin- ♂ (181 bytes) () 04/08/2019 postreply 12:33:10