Question 763763
The x+2 is offsetting the input of x.  The beginning of the function increase is at x+2=-5 and the ending of the function increase is at x+2=2.  Solve each of these equations for x.


x+2=-5
x=-2-5
x=-7


x+2=2
x=-2+2
x=0


y=f(x+2) is increasing on the interval (-7, 0).