Mathematics
Junior High
Resolved
至急 ( ˶'-'˶)
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(3) 1次関数y=-2x+5のxの変域を-1<x≦5としたときのyの変域を求めなさい。
-2x-1)+5=7
-2X5+5=+=+*
2×(-1)+5=7
-2×5+5=-5
5
€7
VIV
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