Lucinda and Marco compare 4 and -2. Lucinda claims that 4 is to the right of -2 on the number line, and so 4 > -2. Marco claims that 4 is to the left of -2 on a number line, so 4 < -2. Who is incorrect and what is the error? Lucinda is incorrect. Because 4 is to the right of -2 on a number line, the inequality should be 4 < -2. Marco is incorrect. Because 4 is to the left of -2 on a number line, the inequality should be 4 > -2. Marco is incorrect. On a number line, 4 is not to the left of -2. Lucinda is incorrect. On a number line, 4 is not to the right of -2.

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A: Solution :-

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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.