(6) (a) Standard Rectangular Hyperbola : The rectangular hyperbola in the standard form is

(b) General Rectangular Hyperbola : It is in the form


(7) Logarithmic Curve : It is in the
form y = log x

(8) Exponential curve :
The curve y = ex ,
y = e-x are exponential
type of curves

(9) Semicubical Parabola :
It is given by ay2 = x3

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