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What is the constant of proportionality, $$\dfrac{y}{x}$$ ? A graph on a Cartesian coordinate system with x and y-axes. The x-axis is marked with evenly spaced ticks in increments of $1$, ranging from $1$ to $8$. The y-axis is marked with evenly spaced ticks in increments of $2$, ranging from $2$ to $30$. The graph displays a single slant line starting from ($0$,$0$) with an arrowhead at its end. The line passes through a point marked with a filled dot at ($1$,$4$). The point ($0$,$0$) is marked with a filled dot as well. $$\small{1}$$ $$\small{2}$$ $$\small{3}$$ $$\small{4}$$ $$\small{5}$$ $$\small{6}$$ $$\small{7}$$ $$\small{8}$$ $$\small{2}$$ $$\small{4}$$ $$\small{6}$$ $$\small{8}$$ $$\small{1}$$$3$ $$\small{1}$$$4$ $$\small{1}$$$5$ $$\small{1}$$$6$ $$\small{1}$$$7$ $$\small{1}$$$8$ $$\small{1}$$$9$ $$\small{2}$$$0$ $$\small{2}$$$1$ $$\small{2}$$$2$ $$\small{2}$$$3$ $$\small{2}$$$4$ $$\small{2}$$$5$ $5$ of $7$