The equation for the price of house after x years is,
[tex]f(x)=185000(1+\frac{2.1}{100})^x[/tex]Simplify the equation to obtain the equation for value of house after x years.
[tex]\begin{gathered} f(x)=185000(1+0.021)^x \\ =185000(1.021)^x \end{gathered}[/tex]So option B is correct.