absolute values
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Numbers: Absolute Value of Functions
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Absolute Value of Functions
<img width="125" height="100" src="https://scienceres-edcp-educ.sites.olt.ubc.ca/files/2013/09/sec_math_num_absValues-125x100.jpg" class="attachment-post-thumbnail size-post-thumbnail wp-post-image" alt="" decoding="async" loading="lazy" />