Let f be a function such that ƒ(0)= 4 and f(x)= -cos(x) e3+3x2= then f(pi) equals 1+e^{\pi}+\pi^{3} 3+e^{x}+\pi^{3} e^{\pi}+\pi^{3} 5+e^{\pi}+\pi^{3} 3+e^{\pi}+6 \pi^{3}