Question

Does the graph of y=x^4-2x^2+2 have any horizontal tangents? If so, where? Does the graph of the same function have any vertical tangents, verticals normal, or horizontal normals?

Answer 1

have you learned about derivatives? the best place to start is to take the derivative of the equation, by taking the derivative, we can figure out where there are horizontal lines and vertical lines

Answer 2

@sraju7 try taking the derivative of the function