Verified Answer :

auxzana

it is B. if you look at the axis's. the line crosses at (0,3) that is what you can look at first. when an equation is in y=mx+b and you're looking at the graph. look for the b. in this case it is 3.

caylus

Hello,

1)
The line is passing through (2,4) and (6,6);
its equation is y-4=(6-4)/(6-2)(x-2) or y=x/2+3

Answer D

2)

1=2^1-1
3=2^2-1
7=2^3-1
15=2^4-1
31=2^5-1
?=2^6-1=63
127=2^7-1

Answer B : 63

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