Answer:
Y=9
Step-by-step explanation:
Because it passes through two points in a straight line, it must have no coefficient for x, just a Y-Intercept equal to the Y of the two points.
2,4 and I am not too sure but I think -4
820,445 in expanded form: 800,000 + 20,000 + 400 + 40 + 5
Hightest exponent is 3
cubic
C is answer