Anyone smart enough to do this i no i am not

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

Adriana sold 50 shares of a company’s stock through a broker. the price per share on that day was $22.98. the broker charged her a 0.75% commission. what was adriana’s real return after deducting the broker’s commission? a. $8.62 b. $229.80 c. $1,140.38 d. $1,149.00

Find the value of x for which line a is parallel to line b