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[ATTACH=full]3370[/ATTACH]10...(a)1 = 3 - 2(-1)^21 = 3 - 2(1)1 = 3 - 21 = 1I say yes for (a).10...(b)11 = 3 - 2(-2)^211 = 3 - 2(4)11 = 3 - 811 DOES NOT EQUAL -5.I say no for (b).
[ATTACH=full]3370[/ATTACH]
10...(a)
1 = 3 - 2(-1)^2
1 = 3 - 2(1)
1 = 3 - 2
1 = 1
I say yes for (a).
10...(b)
11 = 3 - 2(-2)^2
11 = 3 - 2(4)
11 = 3 - 8
11 DOES NOT EQUAL -5.
I say no for (b).
