07-09-2015
Mathematics

contestada

Consider the function f(x) = 8 − 3x2. Find the value of f(x) when x = 3 and select the correct answer below.
−19
−10
26
35

Respuesta :

07-09-2015

[tex]f(x) = 8 - 3x^2[/tex]

Plug in x=3

[tex]f(3) = 8 - 3(3)^2\\ f(3) = 8 - 3(9)\\ f(3) = 8 - 27\\\\ f(3) = -19[/tex]

The answer is A

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