Question

Find the derivative of $2x-\frac{3}{4}$

Answer 1

Let $f\left(x\right)=2x-\frac{3}{4}$
$\therefore f^{{}^{\prime }}\left(x\right)=\frac{d}{dx}(2x-\frac{3}{4})$
$=2\frac{d}{dx}\left(x\right)-\frac{d}{dx}\left(\frac{3}{4}\right)=2-0=2$