I need help, an answer or how to- will be fine, thank you. (i’ll mark brainliest if i can)

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.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?