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What is the value of f(x) = 9x when x = -2?
i think its 1/81

User Amergin
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1 Answer

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\text{We know:} \ \\ \\ f(x) = 9x \\ \\ \text{when x = -2 we have :} \\ \\ f(-2) = 9 \cdot (-2) \\ \\ f(-2)=-18
User Coudy
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