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lefarrioe8621
24.11.2020 •
Mathematics
Can someone PLEASE AND I MEAN PLEASEEE HELP ME plsss i put brainliest !! pleasee
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Ответ:
Step-by-step explanation:
1) y = 3x + 1
When x = -1 , y = 3*(-1) + 1
= -3 + 1
y = -2
(-1 , -2)
When x = 0 , y = 3*0 + 1
y = 1
(0 , 1)
When x = +1 , y = 3*1 + 1
= 3 + 1
y = 4
(1 , 4 )
Plot these points in the graph and join the points.
2) y = 2x -1
When x = -1 , y = 2*(-1) - 1
= - 2 - 1
y = -3
(-1 , -3)
When x = 0, y = 2*0 - 1
y = -1
(0 , -1)
When x = +1 , y = 2*1 -1
= 2 - 1
y = 1
(1 , 1)
Ответ: