Question

O sign function &
f (x) a ?
Lite R-R such that
colled
To fx eo
-lifxco
sign function
Donwin of the function & R
Codomain
of the function 2 R
hanga
{1,0,-1}
e
O
x
0.1
1
2
1
1
1
- 1 with graph
​

Answer 1

Answer:

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