請(qǐng)根據(jù)函數(shù)相關(guān)知識(shí),對(duì)函數(shù)y=2|x-3|-1的圖象與性質(zhì)進(jìn)行探究,并解決相關(guān)問題.
①列表;②描點(diǎn);③連線.
x |
… |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
… |
y |
… |
5 |
m |
1 |
-1 |
1 |
3 |
n |
7 |
… |
(1)表格中:m=
3
3
,n=
5
5
.
(2)在直角坐標(biāo)系中畫出該函數(shù)圖象.
(3)觀察圖象:
①根據(jù)函數(shù)圖象可得,該函數(shù)的最小值是
-1
-1
;
②觀察函數(shù)y=2|x-3|-1的圖象,寫出該圖象的兩條性質(zhì).