ACT 2015 June(73C) Math Question 18 Explanation - ACT Helper

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2015 June(73C) Math Question 18
Algebraic & Function Expressions
- Solve Function Expressions
Choice J
$f (- 4) = - 4 (- 4)^{3} - 4 (- 4)^{2} = - 4 (- 64) - 4 (16) = 256 - 64 = 192$
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