Please with a cherry on top help me solve this. I will give you brainliest. Thanks.

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?