Find a recursive rule for the sequence 2 4 6 10

Find an equation of the line perpendicular to the graph.

Jose bought 20 shares of netflix at the close price of $117.98. in a few years, jose sells all of his shares at $128.34. how much money did jose make? a.) $192.50 b.) $207.20 c.) $212.50 d.) $224.60

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