Answer:
[tex]\huge\boxed{k=3.5}[/tex]
Step-by-step explanation:
[tex]\dfrac{y}{x}=constant=k[/tex]
Divide the y value by its corresponding x value:
[tex]\dfrac{14}{4}=\dfrac{7}{2}=3.5\\\\\dfrac{17.5}{5}=3.5\\\\\dfrac{21}{6}=\dfrac{7}{2}=3.5\\\\\dfrac{24.5}{7}=3.5[/tex]
