Draw a function image：

y=tan4/πx

Draw a function image：

y=0.25X²-20

Draw a function image：

y=(94sqrt17(400x+4sqrt17)+773.5(400(1-x)+2sqrt17)+(400x(6sqrt17-1)+24))/(-587.5sqrt17)+92
y=0.02(1600x+16sqrt17+400sqrt17(1-x)+34)-24.5/(587.5sqrt17)
y=0.68/sqrt17(400x+4sqrt17)+0.68(400(1-x)+2sqrt17)-6/587.5(400x-(6sqrt17-1)+24)

Draw a function image：

y=x×x-3

Draw a function image：

y=xx²;