Question

Find the range of the following relation r.

r = {(-7, 0), (-2, -2), (1, -9), (-5, 6)}

A. {-7, -5, -2, -1}

B. {-9, -7, -5, -2, -2, 0, 1, 6}

C. {-9, -7, -5, -2, 0, 1, 6}

D. {-9, -2, 0, 6}