25-03-2020
Mathematics

contestada

A) f(-1)= -4
B) f(-1)= 3
C) f(-1)= 1/4
D)f(-1) = 1/3

A f1 4 B f1 3 C f1 14 Df1 13 class=

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wegnerkolmp2741o wegnerkolmp2741o

25-03-2020

Answer:

c f(-1) = 1/4

Step-by-step explanation:

f(x) = x-1

-----------

x^2 -9

Let x=-1

f(-1) = -1-1

-----------

(-1)^2 -9

f(-1) = -2

-----------

1 -9

=-2/-8 = 1/4

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