Question 9 • Precalculus
Rewrite the equation as y = 2(x + 3)² + 4. This matches vertex form y = a(x − h)² + k, so the vertex is (h, k) = (−3, 4). Since a = 2 is positive, the parabola opens up. Therefore, the correct choice is the vertex at (−3, 4) with the parabola opening up.
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