Which triangle is a regular polygon? a) all triangles b) an equiangular triangle c) 45°- 45° - 90° triangle eliminate d) 30°- 60° - 90° triangle

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