Y= f(x) = (-4)^x find f(x) when x = -3

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17-05-2018
Mathematics

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Y= f(x) = (-4)^x find f(x) when x = -3

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gmany gmany · Answer 1 · 2018-05-18T16:54:18+02:00

gmany gmany

18-05-2018

[tex]y=f(x)=(-4)^{x}[/tex]

substitute the value of x = -3 to the equation:

[tex]y=f(-3)=(-4)^{-3}=\left(-\dfrac{1}{4}\right)^3=-\dfrac{1^3}{4^3}=-\dfrac{1}{64}[/tex]

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