Simplify. Your answer should contain only positive exponents. (-3 ^3 y^2)^2 .-3x^2 3yx^2

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