torrinnorris torrinnorris

06-12-2018
Mathematics

contestada

find the value of f(-1) for the function below

[tex]f(x) = \frac{2}{3} \times 3(3x + 12) [/tex]
A. 19,683
B. 13,122
C. 512
D. 118,098

Respuesta :

06-12-2018

Put the value of x = -1 to the equation of a function f(x):

[tex]f(x)=\dfrac{2}{3}\times3^{3x+12}\\\\f(-1)=\dfrac{2}{3}\times3^{3(-1)+12}=\dfrac{2}{3}\times3^{-3+12}=\dfrac{2}{3}\times3^9=\dfrac{2}{1}\times3^8=13,122\to\boxed{B.}[/tex]

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