Submit
50/60 Marks
45%
Here are five number cards.
2 5
7
8
9
One of the cards is removed and the mean average
of the remaining four number cards is 6
Which card was removed?
You must show your working.
Note: Please make sure your final answer says card
OCT
31
Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0