anonymus123 anonymus123

19-07-2016
Mathematics

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

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antonio9990 antonio9990

19-07-2016

[tex]\text{We know:} \ \\ \\ f(x) = 9x \\ \\ \text{when x = -2 we have :} \\ \\ f(-2) = 9 \cdot (-2) \\ \\ f(-2)=-18 [/tex]

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