We need to find the derivative which is the rate of change
[tex]\begin{gathered} f^{\prime}(x)=2 \\ g^{\prime}(x)=10x\text{ - }1\text{ + 7} \\ g^{\prime}(x)=10x+6 \\ h^{\prime}(x)=4 \end{gathered}[/tex]So, when x is infinite, the function g(x) has the greatest rate of change