Factor each function to find the zeros of the function. Show all of your work. State the multiplicity of each zero and whether it crosses the x-axis or is tangent to it. 3.f(x) = 7x^2 - 28x + 28
4. f(x) = 2x^5 - 7x4 - 9x3
5. f(x) = 8x^4 - 38x2 - 75

Ask your question to the AI advisor

Ai-bot is an expert in any field and is the perfect companion for reliable and useful answers and advice on a variety of topics, including science, history, technology, art, sports, health, culture and more.