Question

$$R(x)= { x }^{ 4 } +16$$

Answer

$$R=x^3+16/x$$

Solution


Divide both sides by \(x\).
\[R=\frac{{x}^{4}+16}{x}\]
Simplify  \(\frac{{x}^{4}+16}{x}\)  to  \({x}^{3}+\frac{16}{x}\).
\[R={x}^{3}+\frac{16}{x}\]