Q11 of 39 Page 157

If a ⋆ b = ab + a + b, draw the graph of y =3 ⋆ x +1 ⋆ 2.


Given, a*b=ab+a+b…….(1)

Now, y=3 * x + 1 * 2


⇒ y = 3x + 3 + x + 2 + 1 + 2 (Using (1))


⇒ y = (3x + x) + (3 + 2 + 1 + 2)


⇒ y = 4x + 8


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