* 3. In each case, determine if the statement is true or false. (a) For all [a] e Z6, if la] [0], then there exists a [b] e Z6 such that [a] O [b] = [1]. (b) For all [a] e Zs, if [a] # [0], then there exists a [b] e Zs such that [a] O [b] = [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.