Abasketball player has a 60% chance of making a free throw what is the probabilty the player will make 3 out of 6

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

Which one ? is the answer and how to find this answer

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?