大家好 不知道这边问适不适合
最近自学写程式，觉得常常想不出来怎么写
(write down the algorithm or code)
Please plot the following function
with user- specified coefficients and find its
root between the user-specified interval [ x0 , x1 ]
f(x)=αx3 +βx2 +γx+η
觉得每次看到要画图的就很容易断电ＱＱ