For cubic equations in two variables, see cubic plane curve. Graph of a cubic function with 3 real roots (where the curve crosses the horizontal axisâwhere y = 0) (and hence no complex roots).n other words, a cubic function is defined by a polynomial of degree three. Setting Æ (x) = 0 produces a cubic equation of the form: Usually, the coefficients a, b, c, d are real numbers. However much of the theory of cubic equations for real coefficients applies to other types of coefficients (such as complex ones).
Neurosis (Boeree, 2006) is Karen Horneyâs theory about the ways in which people attempt to make life bearable for themselves. Unlike other theorists, Horney saw it as âcontinuousâ with normal life.
Lesson Summary. The nativist theory is a biologically based theory, which argues that humans are pre-programmed with the innate ability to develop language. Noam Chomsky is the main theorist associated with the nativist perspective.He developed the idea of the Language Acquisition Device (LAD) .This is a language organ that is hard-wired into our brains at birth.oam Chomsky is the main theorist associated with the nativist perspective. He developed the idea of the Language Acquisition Device (LAD) . This is a language organ that is hard-wired into our brains at birth.