sy d/(dt) x MGT X LexS( X FSA Log I X M Inbox X OneD X Micro X w Login X Gwes f X Regis X C Sche X G colle X G when x Quiz: X K C uncg.instructure.com/courses/105645/quizzes/311093/take J Update : UNCG dismissal from the university. Note that expulsion from the university is expulsion from all universities in the UNC system. Fall 2022 A report of all offenses will be sent to appropriate deans and handled in accordance with the Academic Integrity. Home Process Ex. O Announcements Account Discussions D Question 1 5 pts Grades Dashboard MyLab and Inflation Mastering Courses Syllabus One commonly used measure of inflation is the annual rate of change of the Consumer Price Index (CPI). A TV new story says that the annual rate of change of the CPI is increasing. Groups Modules Check all of the following that must be true. ID Photo Roster Calendar Library Resources Course Materials O The graph of CPI is concave upward. Inbox O The second derivative of CPI is negative. History O The graph of CPI is concave downward. O The derivative of CPI is positive. Studio The second derivative of CPI is positive. ? The derivative of CPI is negative. Help D Question 2 5 pts K Diminishing Returnssy d/(dt) x MGT X LexS( X FSA Log I X M Inbox X OneD X Micro X w Login X wes f X Regis X C Sche X Gcolle( X G when x Quiz: X K C uncg.instructure.com/courses/105645/quizzes/311093/take J Update : UNCG The second derivative of CPI is negative. Fall 2022 The graph of CPI is concave downward. Home O The derivative of CPI is positive. Announcements Account Discussions The second derivative of CPI is positive. Grades O The derivative of CPI is negative. Dashboard MyLab and Mastering Courses Syllabus D Question 2 5 pts Groups Modules ID Photo Roster Diminishing Returns Calendar Library Resources Jesaki Inc estimates that it will sell N(a) units of product after spending $a thousand on Course Materials advertising, as given by Inbox N(a) = - 0.51 a*+ 47 25 - 1,080 x2 + 161,129. History What is the point of diminishing returns? Round to the nearest dollar. $ Studio ? Help Quiz saved at 3:30am Submit Quiz K