Discussion

Explanation:

Slope between two points (x₁, y₁) and (x₂, y₂) is given by $\frac{y_2-y_1}{x_2-x_1}$

∴ Slope between the points A (4, 1) & B (6, 2) is $\frac{2-1}{6-4}=\frac{1}{2}$

Hence, option (b).

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