Diagnostic Test 15 Diagnostic Test - SAT Math | AI Practice & Tutor

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Diagnostic Test 15 Practice Test•20 Questions

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Q1

Define an operation $\blacklozenge$ as follows:

For all real numbers ,

$a \blacklozenge b = \left | 2a- 2b + 5 \right |$

Evaluate $(-4) \blacklozenge (-7)$

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