Calculus
C(x)={0.5x2+3;0≤x≤45;x>4C\(\left\)(x\(\right\))=\(\begin{cases}\)0.5x^2+3;0\(\le\) x\(\le\)4\\ 5;x>4\(\end{cases}\)
C(x)={0.25x2+3x;0≤x≤45x−4;x>4C\(\left\)(x\(\right\))=\(\begin{cases}\)0.25x^2+3x;0\(\le\) x\(\le\)4\\ 5x-4;x>4\(\end{cases}\)
C(x)={0.25x2+3;0≤x≤45;x>4C\(\left\)(x\(\right\))=\(\begin{cases}\)0.25x^2+3;0\(\le\) x\(\le\)4\\ 5;x>4\(\end{cases}\)
C(x)={0.5x2+3;0≤x≤45x−4;x>4C\(\left\)(x\(\right\))=\(\begin{cases}\)0.5x^2+3;0\(\le\) x\(\le\)4\\ 5x-4;x>4\(\end{cases}\)