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The parabola opens: y=√x-4 (principal square root) up down right left

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.