1. If A is a 5 x 3 matrix, what is the largest possible rank of A? 2. If A is a 3 x 5 matrix, what is the largest possible rank of A? 3. If A is a 6 x 8, what is the smallest possible dimension of null(A)? 4. If A is a 5 x 9 matrix, what is the largest possible dimension of col(A)? 1 V [Choose ] 1 6. 3 [ Choose ] [ Choose ]

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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.