Would it be B or C? help me please :(

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

Can someone me out here number 4 plz

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2