Algebra
If x is an integer and x is not equal to zero, which of the following are always positive and which are always negative?
a: x to the power of 4
b: (x) power of 4
c: x to the power of 4
d: x
e: x
asked by
KG

 x^4 always 
(x)^4 always +
x either
x eitherposted by Damon
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