yx2=300
yx2=900
y = 100x9
y=900x2
Correct answer is B
Y α1x2→y=kx2
If x = 3 and y = 100,
then, 1001=k32
1001=k9
k = 100 x 9 = 900
Substitute 900 for k in
y = kx2; y = 900x2
= yx2=900
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