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OpenStudy (anonymous):
If f(x) = −x − 1 and g(x) = 4x − 1, find f[g(−2)] I think I know the answer, but i'm not positive!
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OpenStudy (anonymous):
@Luis_Rivera @RadEn @ganeshie8 can you please help me?
OpenStudy (raden):
g(x) = 4x − 1 g(-2) = 4(-2) - 1 = ...
OpenStudy (anonymous):
-9?
OpenStudy (raden):
yup. correct now f[g(−2)] = f(-9) subitute x =-9 into f(x) = -x-1 so, f(-9) = -(-9) - 1 = ...
OpenStudy (anonymous):
so the answer is -10?
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OpenStudy (raden):
-(-9) - 1 = 9 - 1 = 8
OpenStudy (anonymous):
that was my original answer :) thank you!
OpenStudy (raden):
welcome
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