twilightwings3 twilightwings3

03-04-2020
Mathematics

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if f(x) = -x2 + 4x - 9 and g(x) = x - 8, find g(f(-1))

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wegnerkolmp2741o wegnerkolmp2741o

03-04-2020

Answer:

-22

Step-by-step explanation:

f(x) = -x2 + 4x - 9

g(x) = x - 8,

g(f(-1))

First find f(-1)

f(-1) = - (-1)^2 + 4(-1) - 9 = -1 -4-9 = -14

The find g(-14)

g(-14) = -14-8 = -22

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