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If g(x) = x ² + 2x -8, evaluate f(-2)​

User DanteDX
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1 Answer

5 votes

Answer: -8

Explanation: If g(x) = x² + 2x - 8, then g(-2) = (-2)² + 2(-2) - 8

which simplifies to 4 + (-4) - 8 or 0 - 8 which is -8.

Remember to always use parentheses when

substituting your given value in for x.

User Josan
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