In Questions 11 13, consider the following graph. – 11. The rate of change from x= 4 to x= 8 is A. 3 B. .75 C. 0 D. -3 12. The greatest rate of change is between A. x= -7 and x= -6 B. x= -1 and x= 3 C. x= 1 and x= 2 D. x= 8 and x= 9 13. The rate of change from x= -5 to x= -4 is the same as the rate of change from A. x= -6 to x= -5 B. x= -3 to x= -2 C. x= 6 to x= 7 D. x= 3 to x= 5 14. In the table, the rate of change between x= 4 and x= 6 is A. 2 B. 1 C. .5 D. -1 15. A rancher has of fence and wants to use it to make a pen with the maximum area. A 10,000’ barn 40’ by is to be used as a corner of the pen. Which equation could be used to solve this problem? 100’ A. A = 5000x x2 – B. A = 5070x x2 – C. A = 5140x x2 – D. A = 10,000x x2 – In Questions 16 18, refer to the graph. – 16. There is a local max at A. -6 B. -3 C. -1 D. 1 17. In terms of concavity, the point at x = a is A. concave up B. concave down C. a point of inflection D. none of the above 18. The rate of change is positive on the interval A. (-4 , -1.5) B. (-2, 1) C. (-1, 3) D. (1, 3)
In Questions 11 – 13, consider the following graph. 11. The rate of change from x= 4 to x= 8 is A. 3 B. .75 C. 0 D. -3 12. The greatest rate of change is between A. x= -7 and x= -6 B. x= -1 and x= 3 C. x= 1 and x= 2 D. x= 8 and x= 9 13. The rate of change from x= -5 to x= -4 is the same as the rate of change from A. x= -6 to x= -5 B. x= -3 to x= -2 C. x= 6 to x= 7 D. x= 3 to x= 5 14. In the table, the rate of change between x= 4 and x= 6 is A. 2 B. 1 C. .5 D. -1 15. A rancher has 10,000’ of fence and wants to use it to make a pen with the maximum area. A barn 40’ by 100’ is to be used as a corner of the pen. Which equation could be used to solve this problem? A. A = 5000x – x2 B. A = 5070x – x2 C. A = 5140x – x2 D. A = 10,000x – x2 In Questions 16 – 18, refer to the graph. 16. There is a local max at A. -6 B. -3 C. -1 D. 1 17. In terms of concavity, the point at x = a is A. concave up B. concave down C. a point of inflection D. none of the above 18. The rate of change is positive on the interval A. (-4 , -1.5) B. (-2, 1) C. (-1, 3) D. (1, 3)
functions-cwhw-2013-08-02.docx