brandongarate16 brandongarate16

13-11-2017
Mathematics

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I need help immediately, thank you.

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Respuesta :

mathstudent55 mathstudent55

13-11-2017

1.
g(x) = 3 - x^2
g(-2) = 3 - (-2)^2 = 3 - 4 = -1

f(x) = 5x + 4
g(g(-2)) = f(-1) = 5(-1) + 4 = -1

2.
f(x) = 5x + 4
f(-2) = 5(-2) + 4 = -10 + 4 = -6

g(x) = 3 - x^2
g(f(-2)) = g(-6) = 3 - (-6)^2 = 3 - 36 = -33

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