Rhea stated that the equation f(x) = x5 - 4x³ + x²-4 has 3

Last updated: 8/3/2022

Rhea stated that the equation f(x) = x5 - 4x³ + x²-4 has 3 zeros because the graph only crosses the x-axis three times as pictured. Is she correct or incorrect? Explain to her why you think so.