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C03 Math
Question 5
2019 December(C03) Math Question 5
Algebraic & Function Expressions
- Solve Algebraic Expressions
Choice E
$$f(x)=4x^{2}-11x$$ $$f(-5)=4\times(-5)^{2}-11\times(-5)$$ $$=4\times25-(-55)$$ $$=100+55=155$$
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