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1.两个一次函数y_1=ax+b和y_2=bx+a的图象应为下图中的()。 2.两个函数y_1=kx-k与y_2=k/x(k>0)的图象应为下图中的()。
1. The image of the two primary functions y_1=ax+b and y_2=bx+a should be () in the figure below. 2. The image of the two functions y_1=kx-k and y_2=k/x (k>0) should be () in the figure below.