Use a graphing calculator to approximate the real zeros. Give each zero as a decimal to the nearest tenth.f(x) = x4 - 7x2 + 12

A. 1.7, 2
B. -1, 2.3, 2.3, -2.3
C. 3, -3, 4, -4
D. 1.7, -1.7, 2, -2


Answer: D

Mathematics

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Mathematics