Anna's scores for a video game are 670, 575, 400, 575, 1250, 720, and 885. Which statement about the data is correct? A) The med
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Because the function f(x) =-2+√x+7 has √x, x should be more or equal 0.
Domain is x≥0, or [0,+∞).
The smallest value of x=0, so the smallest value of f(x) is f(0) =-2+√0+7=5,
so range is f(x)≥5, or [5, +∞).
