davisnaziyahovz5sk
25.03.2020 •
Mathematics
A) f(-1)= -4
B) f(-1)= 3
C) f(-1)= 1/4
D)f(-1) = 1/3
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Ответ:
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
Ответ: