Answer:
see explanation
Step-by-step explanation:
Substitute the value of x into y = x² and y =
x = 1
y = 1² = 1 and y = = 2
x = 2
y = 2² = 4 and y = 2² = 4
Thus
x y = x² y =
-----------------------------
0 0 1
1 1 2
2 4 4
Its 2πr^2