Perform the following operations and prove closure. Show your work. x
x+3
+
x+2
x+5

x+4
x2+5x+6
•
x+3
x2−16

2
x2−9
−
3x
x2−5x+6

x+4
x2−5x+6
÷
x2−16
x+3

Jose bought 20 shares of netflix at the close price of $117.98. in a few years, jose sells all of his shares at $128.34. how much money did jose make? a.) $192.50 b.) $207.20 c.) $212.50 d.) $224.60

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32