Determine which relation is a function. Question options:

{(–4, 3), (–2, 3), (–1, 2), (2, 5), (3, 2)}

{(–4, 1), (–2, 3), (–2, 1), (–1, 5), (3, 2)}

{(–4, 1), (–2, 3), (–1, 2), (3, 5), (3, 2)}

{(–4, 1), (–2, 3), (–1, 1), (–1, 5), (3, 2)}

On a coordinate grid, point p is at (4, 3) and point r is at (−2, −5). points q and s are a reflection of both points across the x-axis. what are the coordinates of q and s? q(−4, 3), s(2, −5) q(4, −3), s(−2, 5) q(−4, −3), s(2, 5) q(−4, 3), s(−2, 5) ; -; i can't figure it out, if someone can me with the answer, that would be nice

Choose the correct classification of 3x4 − 9x3 − 3x2 + 6. 5th degree polynomial 4th degree polynomial 9th degree polynomial 24th degree polynomial

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap