For the polynomial function ƒ(x) = −2x4 + 8x2 − 8, find all local and global extrema. a.No local extrema exist. b.The local and global extrema are -2,0 ,0,-8 ,2,0  c. The only extrema point is (0, −8

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For the polynomial function ƒ(x) = −2x4 + 8x2 − 8, find all local and global extrema.

a.No local extrema exist.

b.The local and global extrema are -2,0 ,0,-8 ,2,0 

c. The only extrema point is (0, −8).

d.

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