In the previous screen, the viewing window spans the
points: -10≤x≤ 10 and -40 ≤ y ≤ 40.
How could we modify this viewing window before
graphing an expression like p(x) so that we can see
the main features of the graph.
Using your explanation, what viewing window would
you choose for graphing
f(x) = (x + 1)(x-1)(x-2)(x-28)?
