2a + 6 f(3) b 12 f( o 98 For Exercises 13-18, assume wto sl 2 8 x) jset io x 1 Pe gours 1 19 claup to slqn ut Auoecq 13 Find a number b such that g(b) = 4. USIU 14 Find a number b such that g (b) = 3. 15 Simplify the expression p: W bns emedr b- 191 Bo cdrs ns g(x)-8(2) x-2 to gle .ai 9pos eory gou 16 Simplify the expression 980n Ce 7191ni g(x)-g(3) x -3 11 1AU n 17 Simplify the expression

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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.