1) y - ?, x = 1, y = 2x² + 3x - 4
y = 2 * 1² + 3 * 1 - 4
y = 2 * 1 + 3 - 4
y = 2 + 3 - 4
y = 5 - 4
y = 1
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1) y - ?, x = 1, y = 2x² + 3x - 4
y = 2 * 1² + 3 * 1 - 4
y = 2 * 1 + 3 - 4
y = 2 + 3 - 4
y = 5 - 4
y = 1