25nguyenaustin 25nguyenaustin 20-04-2021 Mathematics contestada ⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️HELP HELP HELP HELP ⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️ Given the function f(x)=x^4 - 3x^2 + x^6 find f(-x) and -f(x)