# 4.3 - Blackboard Learning System 3/29/09 9:47 PM Your...

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

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Blackboard Learning System 3/29/09 9:47 PM Your location: Assessments › View All Submissions › View Attempt View Attempt 1 of 5 Title: Started: Submitted: Time spent: Problem Set 4.3 March 15, 2009 9:31 PM March 15, 2009 10:44 PM 01:12:26 Total score adjusted by 0.0 Maximum possible score: 10 Total score: 8/10 = 80% Done 1. Differentiate. Find f'(x) for f(x) = (5x3 + 4)(3x 7 - 5). Student Response A. f'(x) = 150x 9 + 84x 6 - 75x B. f'(x) = 20x 9 + 84x 6 - 75x C. f'(x) = 20x 9 + 84x 6 - 75x 2 D. f'(x) = 150x 9 + 84x 6 - 75x 2 Score: 2. Differentiate. Find f'(t) if and simplify. 1/1 Feedback Student Response A. B. C. D. Score: 3. 1/1 Feedback http://online.sdccd.edu/webct/urw/lc4130001.tp0/cobaltMainFrame.dowebct Page 1 of 6 Blackboard Learning System 3/29/09 9:47 PM Differentiate. Find for y = Student Response A. = Feedback B. = C. = D. = 1/1 Score: 4. Provide an appropriate response. Find for y = . Do not simplify. Student Response A. Feedback B. C. D. Score: 1/1 http://online.sdccd.edu/webct/urw/lc4130001.tp0/cobaltMainFrame.dowebct Page 2 of 6 Blackboard Learning System 3/29/09 9:47 PM 5. Use the product rule to find the derivative. f(x) = (6x + 2) 2 Student Response A. f'(x) = 12x + 4 B. f'(x) = 72x + 24 C. f'(x) = 36x + 12 D. f'(x) = 36x + 4 Score: 6. Use the quotient rule to find the derivative. f(x) = 0/1 Feedback Student Response A. f'(x) = Feedback B. f'(x) = C. f'(x) = D. f'(x) = 1/1 Score: 7. Solve the problem. The demand function for a certain product is given by: http://online.sdccd.edu/webct/urw/lc4130001.tp0/cobaltMainFrame.dowebct Page 3 of 6 Blackboard Learning System 3/29/09 9:47 PM D(p) = . Find the marginal demand D'(p). Student Response A. B. C. D. D'(p) = D'(p) = D'(p) = D'(p) = 1/1 Feedback Score: 8. Solve the problem. The population P, in thousands, of a small city is given by: P(t) = . where t = the time, in months. Find the growth rate. Student Response A. P'(t) = Feedback B. P'(t) = C. P'(t) = D. P'(t) = http://online.sdccd.edu/webct/urw/lc4130001.tp0/cobaltMainFrame.dowebct Page 4 of 6 Blackboard Learning System 3/29/09 9:47 PM Score: 9. 1/1 Solve the problem. The total revenue for the sale of x items is given by: R(x) = . Find the marginal revenue R'(x). Student Response A. R'(x) = Feedback B. R'(x) = C. R'(x) = D. R'(x) = 0/1 Score: 10. Solve the problem. The total cost to produce x units of perfume is cost function. Find the marginal average Student Response A. 144 - Feedback B. 144x + 90 C. 72 - http://online.sdccd.edu/webct/urw/lc4130001.tp0/cobaltMainFrame.dowebct Page 5 of 6 Blackboard Learning System 3/29/09 9:47 PM D. Score: 72x + 90 + 1/1 Done http://online.sdccd.edu/webct/urw/lc4130001.tp0/cobaltMainFrame.dowebct Page 6 of 6 ...
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