作函数图像：

y=(1-x^2)^2+x^2/2

作函数图像：

y=(2-132/63)(400+5sqrt17)+(sqrt17-(33^2+31)/(63sqrt17))(400+2sqrt17-400x)-(1600sqrt17+340-165x)/(63/2*sqrt17)+200
y=(-sqrt17/126)(400+5sqrt17)+(4-(33^2+31)/(33/2*63sqrt17))(400+2sqrt17-400x)-(16/(33*63))(1600sqrt17+340-165x)

作函数图像：

y=((33*sqrt17)2*(400+5*sqrt17)*x+560*(400+2*sqrt17-400x)+1600sqrt17+340-165x)/(-2079sqrt17/4)+300

作函数图像：

y=((33*sqrt17)2*(400+5*sqrt17)*x+560*(400+2*sqrt17-400x)+1600sqrt17+340-165x)/(-2079sqrt17/4)+300
y=(2-132/63)(400+5sqrt17)+(sqrt17-(33^2+31)/(63sqrt17))(400+2sqrt17-400x)-(1600sqrt17+340-165x)/(63/2*sqrt17)+200
y=(-sqrt17/126)(400+5sqrt17)+(4-(33^2+31)/(33/2*63sqrt17))(400+2sqrt17-400x)-(16/(33*63))(1600sqrt17+340-165x)

作函数图像：

y=((33*sqrt17)2*(400+5*sqrt17)*x+560*(400+2*sqrt17-400x)+1600sqrt17+340-165x)/(-2079sqrt17/4)+300
y=(2-132/63)(400+5sqrt17)+(sqrt17-(33^2+31)/(63sqrt17))(400+2sqrt17-400x)-(1600sqrt17+340-165x)/(63/2*sqrt17)
y=(-sqrt17/126)(400+5sqrt17)+(4-(33^2+31)/(33/2*63sqrt17))(400+2sqrt17-400x)-(16/(33*63))(1600sqrt17+340-165x)