# M110 - Module 6- Advanced Functions & Logarithms - 1. Absolute Value Functions Questions.docx

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What is the value of f(2) on the absolute value function f(x) = |x + 3|?Subtitute 2 in for x in the function f(x) = |x + 3| to get f(2) = |2 + 3|Simplify what's inside the absolute value to get f(2) = |5|Simplify the absolute value to get f(2) = 5What is the value of f(-3) on the absolute value function f(x) = |x + 3|?Simplify what's inside the absolute value to get f(-3) = |0|Simplify the absolute value to get f(-3) = 0What is the value of f(-9) on the absolute value function f(x) = |x + 3|?Simplify what's inside the absolute value to get f(-9) = |-6|Simplify the absolute value to get f(-9) = 6Is the function f(x) = |2x + 5| a one-to-one function? (Answer Yes or No)
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Injective function, Absolute value function f, Subtitute
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