Answer:
all real numbers
Step-by-step explanation:
The range of any odd root function is all real numbers, <em>cube root</em> included.
y = ∛(x+8)
is defined for all values of x. It may take on any value for y.
____
The horizontal scale of the graph is quite large so as to show the vertical extent keeps increasing. (The x-intercept is -8.)
