It's a function because every x-value that you plug in will have a single y-value associated with it.
DOMAIN (x-values): All Real Numbers
(since any x-value that you plug in will work)
RANGE (y-values): y>=8
(y will never be less than 8 because the y-intercept is 8 and the graph goes up from there)
y=5x^2+8
give the domain and range of the relation and indicate whether or not it is a function.
3 answers
so when you write is it going to be (8 or [8
range is y greater than or equal to 8