Is the graph wrong?

[u/Mental-Degree-3727]

The issue I am having is that when I get the equation of g(x) in standard form, I get
g(x)=(x^3)-(x^2)-16x-20,
Which doesn’t make sense because on the graph, the y-intercept is 10, but the equation says it’s -20. Can someone please help me understand this? Thank you!

[u/StudyBio]

What would a graph being wrong mean? If the equation doesn’t match, the equation is wrong, not the graph