\[ y = 2(1)^2 - 4(1) + 1 = 2 - 4 + 1 = -1 \]
![\[ y = 2(1)^2 - 4(1) + 1 = 2 - 4 + 1 = -1 \]](https://soloferat.biz.id/images/y--212---41--1--2---4--1---1-.jpg)
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