# Is #y=x^2 + 3x - 15# a function?

##### 1 Answer

May 21, 2015

Yes, it is (in the usual sense that

For any value of

Here is the graph on

graph{y=x^2+3x-15 [-33.55, 31.4, -23.03, 9.46]}

(There are many times that 2 values of