If f(x)= - x⁴ + 2, then f(-x) =?
If f(x)= - x⁴ + 2, then f(-x) =
A) x⁴ - x
B) x⁴ + x
C) x⁴ - x + 2
D) x⁴ + x + 2
E) x⁴ +x – 2
Please help.
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If f(x)= - x⁴ + 2, then f(-x) =
A) x⁴ - x
B) x⁴ + x
C) x⁴ - x + 2
D) x⁴ + x + 2
E) x⁴ +x – 2
Please help.
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Verified answer
f(-x) = - (-x)⁴ + 2 = - x⁴ + 2, since (-x)⁴ is x⁴, but there is the " - " sign in front of the x⁴.
So the stange thing is, this is not one of the answers.