The graph shown below expresses a radical function that can be written in 1/n
the form f(x) = a(x + k)^1/n
What does the graph tell you about the
value of k in this function?

Which statement is true about the local minimum of the graphed function? over the interval[-4,-2], the local minimum is 0. over the interval [-2,-1] , the local minimum is 25. over the interval [-1,4], the local minimum is 0. over the interval [4,7], the local minimum is -7