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garri49 [273]
3 years ago
6

Find (g o f)(-1). *

Mathematics
1 answer:
klio [65]3 years ago
6 0

Answer:

D  -9

Step-by-step explanation:

(g o f)(-1) = g(f(-1))

f(-1) = f(-1)  =  (-1)^{2}  +  2(-1) - 3\\=  1 - 2 - 3\\=  -4

g(-4) = -4 - 5 = -9

So, (g o f)(-1) = -9

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pychu [463]
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we can make this...

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and

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then...

9x+2=0

\boxed{x=-\frac{2}{9}}


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\boxed{\boxed{S=\{\frac{1}{4},-\frac{2}{9},-9\}}}

I'm sure about my answer, don't matter the order...
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