Mathematics
Junior High
グラフ以外でいいんで解説お願いします
答えは
⒈
x 0, 1, 2, 3, 4, 5, 6, 7, 8
----------------------------------------
y 0,1/2, 2, 9/2 ,8, 25/2, 18, 24, 30
⒉y=1/2x2(x2はxの二乗ということです)
⒋x=√30
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