The general solution of y" + 4y' = 12 can %3D be written as (A) y = c1+ c2e¬2= + c3e2 + 3x (B) y= c1+ c2 cos 2x + C3 sin 2x + 3x (C) y = c1 + C2 cos 2x + C3 sin 2x + 12 (D) y = c1+ c2e¯2x + €3e2 + 4x + C3e2 + 4ax (E) y= C1+ C2 cos 2x + C3 sin 2x + 4x

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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.