2007020120080201Example Draw the graph shown below and calculate the root for Y1.Y1 = x ( x + 2)(x – 2)Use the following V-Window settings.Xmin = –6.3, Xmax = 6.3, Xscale = 1Ymin = –3.1, Ymax = 3.1, Yscale = 1 (initial defaults)Procedure1 m GRAPH2 !3 (V-WIN)1 (INIT)J3 (TYPE)1(Y=)v ( v +c)( v -c)w6 (DRAW)3 !5 (G-SLV)1 (ROOT)5 eeResult Screen……5-11-10Function Analysis# When analyzing a single graph, results appearas soon as you select an analysis function instep 3, so step 4 is not necessary.# Root, local maximum value, local minimumvalue, and y-intercept can be calculated forrectangular coordinate graphs and inequalitygraphs only.# Graph analysis is not possible for the graphwhose function is the format X = constant.# The y-intercept is the point where the graphcrosses the y-axis.# Either of the following can cause poor accuracy oreven make it impossible to obtain solutions.• When the graph of the solution obtained is apoint of tangency with the x-axis• When a solution is an infl ection point
