3.4 - Blackboard Learning System 4/14/09 4:43 PM Your...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Blackboard Learning System 4/14/09 4:43 PM Your location: Assessments › View All Submissions › View Attempt View Attempt 1 of 5 Title: Started: Submitted: Time spent: Problem Set 3.4 February 15, 2009 5:39 PM February 15, 2009 6:44 PM 01:04:50 Total score adjusted by 0.0 Maximum possible score: 10 Total score: 9/10 = 90% Done 1. Find average rate of change for the function over the given interval. Find the average rate of change of y with respect to x if x changes from 3 to 5 in the function Student Response A. 11 B. 22 C. 9 D. 4 Score: 2. 1/1 Feedback Find average rate of change for the function over the given interval. y = 3x3 - 7x2 + 1 between x = -6 and x = -4 Student Response A. B. 298 C. - Feedback D. - 149 Score: 3. Provide an appropriate response. http://online.sdccd.edu/webct/urw/lc4130001.tp0/cobaltMainFrame.dowebct Page 1 of 4 1/1 Blackboard Learning System 4/14/09 4:43 PM Find the slope of the line tangent to the graph of the function at the given value of x. y = x4 + 2x3 + 2x + 2 at x = -3 Student Response A. -50 B. -52 C. 67 D. 65 Score: 4. Provide an appropriate response. Find the slope of the graph f(x) = -x2 + 3x at the point (1, 2). Student Response A. 1 B. -1 C. -2 D. 2 Score: 5. Provide an appropriate response. Obtain the difference quotient for the function for f(x) = . 1/1 Feedback 1/1 Feedback Student Response A. B. C. D. Score: 6. Feedback - 0/1 http://online.sdccd.edu/webct/urw/lc4130001.tp0/cobaltMainFrame.dowebct Page 2 of 4 Blackboard Learning System 4/14/09 4:43 PM Use the definition f'(x) = f(x) = 8 - 8x2 to find the derivative at x. Student Response A. -16x B. 8 - 8x C. -16x 2 D. 8 - 16x Score: 7. Use the definition f'(x) = f(x) = 7x - 5 1/1 Feedback to find the derivative at x. Student Response A. -7 B. 7x C. 7 D. 2 Score: 8. 1/1 Feedback Find the average rate of change for the function over the given interval. y= between x = 2 and x = 8 Student Response A. B. 2 C. 7 D. Score: 1/1 Feedback http://online.sdccd.edu/webct/urw/lc4130001.tp0/cobaltMainFrame.dowebct Page 3 of 4 Blackboard Learning System 4/14/09 4:43 PM 9. Find the instantaneous rate of change for the function at the given value. s(t) = 3t 2 + 5t - 7 at t = -2 Student Response A. 1 B. -1 C. -17 D. -7 Score: 10. Solve the problem. The total cost to produce x handcrafted wagons is Find the rate of 1/1 Feedback change of cost with respect to the number of wagons produced (the marginal cost) when Student Response A. $376 per wagon B. $1024 per wagon C. $476 per wagon D. $1124 per wagon Score: 1/1 Feedback Done http://online.sdccd.edu/webct/urw/lc4130001.tp0/cobaltMainFrame.dowebct Page 4 of 4 ...
View Full Document

This note was uploaded on 04/21/2009 for the course MATH 121 taught by Professor Hamidy during the Spring '09 term at Miramar College.

Ask a homework question - tutors are online