1. ## Piecewise function domain

f(x) =
x + 12 if x<-4
5x if |x|<4
-20 if x>4

if I drew the graph correctly, the domain is x E R however there is a jump discontinuity at x = -4, does that have any effect on the domain?

2. Originally Posted by xxlvh
f(x) =
x + 12 if x<-4
5x if |x|<4
-20 if x>4

if I drew the graph correctly, the domain is x E R however there is a jump discontinuity at x = -4, does that have any effect on the domain?
no.