Mathematics
语言：中文
Language:English
current location：Function image > Function Image Library
    
Draw a function image：

           
y=x^2-9
y=-x^2+9
y=9sqrt(abs(x))
y=-9sqrt(abs(x))


    
Draw a function image：

           
y=x^2-9
y=-x^2+9
y=sqrt(abs(x))
y=-sqrt(abs(x))


    
Draw a function image：

           
y=2/3.14*arctan(100x)
y=sgn(x)


    
Draw a function image：

           
y=2/3.14*arctan(10x)
y=sgn(x)


    
Draw a function image：

           
y=2/3.14*arctan(2x)
y=sgn(x)



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