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25-09-2020
Mathematics

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f(x) =- (3x +9) – 13 find f(-5)

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25-09-2020

[tex]f(x) = -(3x + 9) - 13\\f(-5) = -(3 \cdot (-5) + 9) - 13\\= -(-15 + 9) - 13\\= -(-6) - 13\\= 6 - 13\\= - 7[/tex]

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