If f(x)=1−x
2
+x
3
, then f(−1)=

-1

Step-by-step explanation:

if -1 is to replace the x in the equation of f -1 then you fill it in and the equation would be 1 - (-1 * -1) + (-1 * -1 * -1) and if you put the equation together you'll just get -1

no, x cannot be the same number. in all of them, x is 1. for one input there is another output. g is not a function

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