Tìm tập xác định của hàm số y = √x2-5x+4

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

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

Place the following steps in order to complete the square and solve the quadratic equation,