Hi,
Re TY:
just substitute the x-value given into the EQ y = (x+1)to find the y-value...
y = x+7 (1,_) x = 1, y = 8, Point is (1,8)
y = x+7 ||Note (0,_) represents an ordered pair (x,y)
Question is asking "What is y when x = 0 "
y = 0 + 7
y = 7 , Ordered pair (x,y) is (0,7)