how would you determine the domain and range of y=2(x+1)^2-3 without graphing
x (the domain) can be any number
y (the range) cannot be less than -3, since 2(x+1)^2 is either 0 or positive
The upper range limit is infinity
y (the range) cannot be less than -3, since 2(x+1)^2 is either 0 or positive
The upper range limit is infinity