2000018601

Level: 
Project ID: 
2000018601
Accepted: 
0
Clonable: 
0
Easy: 
0
Which of the following functions is increasing on the interval \([ -1;\infty)\)?
\( f(x)= 2\bigl| |x+3|-2\bigr|\)
\( g(x)= 2\bigl| |x-3|-2\bigr|\)
\( h(x)= -2\bigl| |x+3|-2\bigr|\)
\( k(x)= 2\bigl| |x-3|+2\bigr|\)