6.4.1 Linear versus Non-linear Function

Linear Function (Straight Line)

Examples :
(a) y = 3x + 5
(b) 3y + 2x – 7 = 0

Non-Linear Function

Examples :
(a)

y = a x^{3} + b x^{2}

(b)

y = a x + \frac{b}{x}

(c)

y = a b^{x}

(d)

y = \frac{x}{p + q x}