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Verified Answer :

The
line that contains those two points is x = 7, it is not a function
though because it has an infinite number of ys for one x. And even if
the relation were only those two points, it would STILL NOT be a
function (two values of y for one value of x)

function must pass the vertical ine test

it cannot pas through 2 points on the function for any 1 vertical ine

if it has a vertical ine, it automatically fails

no