Question: PRACTICE: Use a graphing calculator to find the real zeros of the function. YOU MUST PROVE IT ALGEBRAICALLY for credit. Finding the Zeros of a

PRACTICE: Use a graphing calculator to find the real zeros of the function. YOU MUST PROVE IT ALGEBRAICALLY for credit. Finding the Zeros of a Polynomial Function In Exercises 87-98, find all real zeros of the polynomial function. 87. f(x) = 3x4 - 14x2 - 4x 92. h(x) = x5 - x4 - 3x3 + 5x2 - 2x 88. g(x) = 4x4 - 11x3 - 22x2 + 8x 93. f(x) = 4x4 - 55x2 - 45x + 36 89. f(z) = 24 - 23 - 2z - 4 94. z(x) = 4x4 - 43x2 - 9x + 90 90. f(x) = 4x3 + 7x2 - 11x - 18 95. g(x) = 8x4 + 28x3 + 9x2 - 9x 91. g(y) = 2y4 + 7y3 - 26y2 + 23y - 6 96. h(x) = x5 + 5x4 - 5x3 - 15x2 - 6x

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