Chapter2: Solving Linear Equations
Section2.7: Solve Absolute Value Inequalities
Problem 2.146TI: Graph the solution and write the solution in interval notation: |x|1 .
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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.
Question
Describe all the x-values at a distance of 19 or less from the number 9.
Enter your answer in interval notation.
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