Graphs That Are Not Functions. In order for it to be a function it has to be very clear. The cubic function is an odd function.
The range of cubic function is set of all real numbers because the function has interval between. Which graphs are functions. So this right over here not a function because it s not clear if you input x what member of the range you re going to get.
Which graphs are functions.
However a vertical line does not represent the graph of a function and cannot be expressed in either of these forms. Since every nonvertical line is the graph of a linear function the points on a nonvertical line can be described using the slope intercept or point slope equations. The cubic function is symmetric along the origin. So we know it should pass through 5 4 5.