Xét tính đồng biến ,nghịch biến của hàm số:
y=-x^4-2x^2+5

1. convert. simplify your answer and write it as a proper fraction or as a whole or as a mixed number. 4oz=_ pounds 2. find 1/3 of 66

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?