Question

intervals at which it is increasing an decreasing for y=-(x+1)^2

Answer 1

do you know the graph of this equation?

Answer 2

increasing when x<-1 and decreasing when x>-1

Answer 3

i have to do it alebraically

Answer 4

i don't know the procedure tho

Answer 5

this is an equation of a parabola... and depending on which way it is opening will determine the intervals in which the graph is increasing/decreasing...
are you familiar with parabolas?

Answer 6

yes i am

Answer 7

the vertex is (-1,0)