(a) Graph y = −.3(x − 3)4 + 8 in the standard window.
(b) To see exactly which points the calculator actually graphed, change the graphing mode to Dot (or Draw Dot or Plot) in the menu/submenu list below, and graph again.TI-84 + : MODE
TI-86: GRAPH/FORMAT
TI-89: Y = /STYLE
Casio: SETUP/DRAW TYPE
HP-39gs: uncheck "connect" on the second page of the PLOT SETUP menu.
(c) Why does the graph in part (b) look "solid" at the top, but consists of isolated points elsewhere?
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