The solution of zy'-y = 2x3, y(1) = 3 is (A) y = x+ 2x (B) y = x2 + 2x (C) y = x2 + 3x %3D (D) y = 3x2 - 1 | (E) y = 2x+1

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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.