In Exercises 5362, express the number in decimal notation. 2.19 * 10-4

Graphical transformations: y=− f (x)reflectsy= f (x)about x−axis y= f (−x)reflectsy= f (x)aboutthe y−axis y= f (x)+cshiftsy= f (x)¿theupcunits y= f (x)−cshifts y= f (x)¿thedowncunits y= f x+c )shfits y= (x)¿the¿units y= f x−c shfits y= fx ¿the¿cunits y=cf (x)stretches y= f (x)verticallybyc y= ( f (x))compresses y= f (x)verticallybyc c y= f cx compresses y= f (x)horizontally byc 1 y= f ( ) stretchesy= f (x)horizontallybyc c Combinations of functions: ( f ±g¿ (x)= f (x)±g(x) (fg)x)= f x g x ) f f(x) () (x)= provided g(x)≠0 g g( ) f For (f ±g)(x),(fg)x),∧ (g x , the domain is the intersection of f and g, but for f (x) , mak