The

symbol means intersection, so everything that is in both sets, and the

symbol means union, so the two sets combined.


So the answer is A.
Answer:
x^4 +8/7x^3 + 6x +1
Step-by-step explanation:
8/7x^3 + x^4 + 6x +1
Standard from is from the largest power to the smallest power
x^4 +8/7x^3 + 6x +1
Type "y=-3x-12x+3" on https://www.cymath.com/answer.php?q=2%3C%3Dx%3C3 CyMath helps so much and can graph, factor, mutiply and more!