I think that x^2-9 (difference of 2 squares), 216x^3 +729 (sum of 2 cubes), and the other two are none
Not entirely sure
Y = sin(x^2)
Use the chain rule.
We want dy/dx.
dy/dx = cos(x^2)*2x
dy/dx = 2xcos(x^2)
Did you follow?
Answer:
x=3-y
2x + 2y = 4
Step-by-step explanation:
He will bye 16 pens hope that helps u
Now, a square pyramid is called that, because its base is a square.
if one side on its base has a length of 3, then all sides are 3 units long, since is a squarish base, and therefore the area of the base is 3x3 or 9 ft².