Which graphs of order pairs represent functions ?

30 pts, will mark brainliestwhat is the period of the sinusoidal function? (picture 1)what is the minimum of the sinusoidal function? (picture2)what is the maximum of the sinusoidal function? (picture 3)

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Which graph represents the function g(x) = |x + 4| + 2?