Which of the following functions has a range of f(x) ≥ 2? A. f(x) = 4x + 2

B. f(x) = (x - 1)2 + 2

C. f(x) = 2x + 8

D. f(x) = -x2 + 2

I will mark Brainliest

What is the product of the radical expression. (7-2square root) (8+2 square root)

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?