2장-이현진-문제1

1531 days ago by lhjbg0821

var('x') f(x)=x^3+3*x^2-7*x+1 plot (f(x), (x,-5,5)) 
       
var('x') f(x)=3*x^2+6*x-7 plot(f(x),(x,-5,5))