Question $5$

Given the function $f(x)=a{x}^2+bx+ca,b,$ and $c$ are $constants{f}^{\text{'}}(x)?$

$f^{\text{'}}(x)=a\frac{x^3}{3}+b\frac{x^2}{2}+cx$

$f^{\text{'}}(x)=0$

$f^{\text{'}}(x)=2ax+b$

$f^{\text{'}}(x)=bx+c$