Question

{(x, y): y= 3x + 2| and xe (-2, -1, 0, 1, 2)).
(-2,__)


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Answer 1

It looks like you're given a set

{(x, y) : y = 3x + 2}

i.e. the set of points (x, y) = (x, 3x + 2), and you're told that x is taken from the set {-2, -1, 0, 1, 2}.

When x = -2, the corresponding value of y is

y = 3•(-2) + 2 = -6 + 2 = -4