Which one of the following series diverges?

Any greatly appreciated! you in advance. jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later she's sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions how much money did jody make? a.$65.00b.$5288.00c.$210.00d.$310.00

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost