Question

Determine the cubic function that is a product of the following linear functions:

f(x) = x + 1
g(x) = 2x + 1
h(x) = x - 2

Answer 1

(x+1)(2x+1)(x-2)

= (2x+1)(x+1)(x-2)

= (2x+1)(x² -x - 2)

= 2x³ - 2x² - 4x + x^2 - x - 2

= 2x³ - x² - 5x - 2

Answer: 2x³ - x² - 5x - 2