What are the solutions of the equation 0=x^2+3x-10

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 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?

How to do a maths question? i have a mock

The function with the lowest output values as x approaches infinity is . the function with the greatest output values as x approaches infinity is .