Does this represent a function?

y^2 = 16 – 4x^2

Do u just plot the numbers on the graph like (1,

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

Find the area of the unshaded square