This is my question

1) Given: y=fx =4x2-8x+1 (5 marks) a) Find f(1) and provide the interpretation (meaning) of your answer. b) Find f'(2) and provide the interpretation (meaning) of your answer. c) At what value of x is the function stationary? d) Find f"(x) and provide all the interpretations (meanings) of your answer. 2) The profit function of a business firm is as follows: 7=f Q =Q3-1202+450-30 a) Find 7=f(4) and provide the business interpretation (meaning). (1 marks) b) What amount of output should the business firm produce to maximize the profit? (4 marks) c) What is the maximum profit that the business firm can obtain? (1 marks) 3) The following questions are based on the following graph: A N TIT -2 2 1) f(1) should be: a) Negative b) Zero c) Positive d) Not possible to determine Explain the reason for your choice above: II) f"(0) should be: a) Negative b) Zero c) Positive d) Not possible to determine Explain the reason for your choice above