Gerald graphs the function f(x) = (x – 3)2 – 1. which statements are true about the graph? check all that apply. the domain is {x| x ≥ 3}. the range is {y| y ≥ –1}. the function decreases over the interval (–∞, 3). the function increases over the interval (–1, ∞). the axis of symmetry is x = –1. the vertex is (3, –1).

Hey! Statement 1 is false because the domain of f is all real numbers since the function is quadratic.

Statement 2 is true.

Statement 3 is true because when we graph f, it is a parabola opening upwards with vertex (3, -1). Since it is opening upward, then the value of x from -∞ to 3 is decreasing while increasing from 3 to ∞.

Statement 4 is false because we just stated above that f is decreasing from -∞ to 3. Hence, f is also decreasing from -1 to 3. Hence, f is not increasing from -1 to ∞.

Statement 5 is false because the axis of symmetry is x = 3.

Statement 6 is true.
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