1 1 1 0 1 1 0 43 1. Let N = (a) Find N-. Show what method you are using and at least one intermediate step. (b) Use your work above to justify whether or not the column vectors of N are linearly independent. (c) Use your work above to justify how many solutions there are to the following system of equations. y + 4y +3z 3.

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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.