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skad [1K]
2 years ago
13

What is the range of the function f(x) = 3x2 + 6x – 8?

Mathematics
1 answer:
oee [108]2 years ago
3 0

f(x) is a quadratic equation with the x-side squared and a is positive which means that the graph of the function is a parabola facing up. The range of f(x) is given by {y|y ≥ k}, where k is the y-coordinate of the vertex.

, written in vertex form is

, where (h, k) = (-1, -11)

Therefore, range ={y|y ≥ -11}

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