The functional determinant of x, e^x, and e^-x is equal to___

The orthogonal trajectory of y^2 - x^2 = C is__

The slope of the normal line to y^2 = x/2 at P(1/8,1/4) is ____

help please...

See:

http://www.jiskha.com/display.cgi?id=1260799753

http://www.jiskha.com/display.cgi?id=1260799430