Let R= {(1. 3). (2, 2). (3. 4). (5. 2)}. S = {(2. 4). (3. 4). (3. 1). (5. 5)} then the number of elements in RoS is: О а. 6 O b. 3 O c. 5 O d. 2 е. 4

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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.