Determine an Appropriate Viewing Window for Each of the Following $4$

Essay

Determine an appropriate viewing window for each of the following functions and use it to draw the graph.(a) f (x) = x $4$ - 6x $2$ (b) f (x) = $\frac { 1 } { x ^ { 4 } - 1 }$ (c) f (x) = sin (x $2$ )
(d) f (x) = 80x - 5x $3$ (e) f (x) = - 3x $2$ + 288x - 6862
(f) f (x) = - 3x $2$ + 288x + 6862