Use the zero or root feature of a graphing utility to approximate the zeros of the function f(x)= x⁶ - 9x⁴ + 11x² + 21 accurate to the nearest thousandth. A)2.646,1.732 B)±1,-2.646,1.732 C)±i,-2.646,-1.732 D)±1,2.646,1.732 E)±i,±2.646,±1.732

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The Answer of Use the zero or root feature of a graphing utility to approximate the zeros of the function f(x)= x⁶ - 9x⁴ + 11x² + 21 accurate to the nearest thousandth. A)2.646,1.732 B)±1,-2.646,1.732 C)±i,-2.646,-1.732 D)±1,2.646,1.732 E)±i,±2.646,±1.732

Use the Zero or Root Feature of a Graphing Utility