Question: A bakery uses the formula f(x) = 2x 4 - 7x 3 + 3x 2 + 8x to determine the profit of selling x loaves

A bakery uses the formula f(x) = 2x⁴ - 7x³ + 3x² + 8x to determine the profit of selling x loaves of bread. How many loaves of bread must be sold to have a profit of $4? Assume x ? 1

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