Question: Use the technique described in Exercises to solve each inequality. Write the solution set in interval notation. -x 2 + 4x + 1 0

Use the technique described in Exercises to solve each inequality. Write the solution set in interval notation.

-x2 + 4x + 1 ≥ 0

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f x x 2 4x 1 Complete the square to find the vertex The vertex is 2 5 and the g... View full answer

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