3. Functions & Graphs

Given the functions $h\(\left\)(x\(\right\))=2x^3-4$ and $k\(\left\)(x\(\right\))=x^2+2$, find and fully simplify $h\(\cdot\) k\(\left\)(x\(\right\))$

Given the functions $L\(\left\)(x\(\right\))=x-2$ and $M\(\left\)(x\(\right\))=x^2$, calculate $\(\frac{L}{M}\]\left\)(5\(\right\))$