Find each of the following functions and state their domains. (Enter the domains in interval notation.) F(x) = x3 + 5x2, g(x) = 7x2 - 3 %3D (a) f+ g f+ g = domain (b) f- g f-g = domain

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.