Question

请问这个图像怎么画高中数学

Answer 1

y=t/(2t+1)

===> y=[(1/2)*(2t+1)-(1/2)]/(2t+1)

===> y=(1/2)-[(1/2)/(2t+1)]

===> y-(1/2)=-(1/2)/(2t+1)

===> 2[y-(1/2)]=-1/(2t+1)

===> 2y-1=-1/(2t+1)

令2y-1=Y,2t+1=X

则,Y=-1/X（原点就是y=1/2,t=-1/2）