Use the fundamental theorem of algebra to determine the number of roots for each polynomial function shown. f (x) = 2x3 + x2 - 7x + 1 has roots. f (x) = -3x + 5x2 + 8 has roots. f (x) = (x2 + 6)2 has roots.

1.) f (x) = 2x3 + x2 - 7x + 1 has 3 roots.

2.) f (x) = -3x + 5x2 + 8 has 2  roots.

3.) f (x) = (x2 + 6)2 has 4 roots.

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