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Wherever there is an x substitute -2 and calculate the resulting sum:

f(x) = 3x² - x

→ f(-2) = 3 × (-2)² - (-2)

= 3 × 4 + 2

= 12 + 2

= 14

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6y ago
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Q: If f(x) 3x2 - x find f(-2).?
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