SECTION 4TIME—25 MINUTES 18 QUESTIONSTURN TO SECTION 4 OF YOUR ANSWER...

5. For all integers ngreater than 1, let f(n) =k,(D) 7where kis the sum of all the prime factors of(E) 8n.What is the value of f(14) −f(6)?(A) 4(B) 5(C) 6(D) 9(E) 14GO ON TO THE NEXT PAGEDirections:For student-produced response questions 9–18, use the grids at the bottom of the answersheet page on which you have answered questions 1–8.Each of the remaining ten questions requires you to solve the problem and enter your answer by mark-ing the circles in the special grid, as shown in the examples below. You may use any available space forscratchwork.

Answer: 2.5

Answer: 201

Answer:

7

Either position is correct.

12