ACT 2019 December(C03) Math Question 5 Explanation - ACT Helper

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2019 December(C03) Math Question 5
Algebraic & Function Expressions
- Solve Algebraic Expressions
Choice E
$f (x) = 4 x^{2} - 11 x$ $f (- 5) = 4 \times (- 5)^{2} - 11 \times (- 5)$ $= 4 \times 25 - (- 55)$ $= 100 + 55 = 155$
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