h 0 8 7 2 7 6 4 N 6 8 10 6 8 6 2 5 7 5 3 e estimate distances from velocity data it is some cessary to use times to 11 12 13 that are not spaced We can still estimate distances using the iods Ati ti ti 1 For example in 1992 the space Endeavour was launched on mission STS 49 in install a new perigee kick motor in an Intelsat com ions satellite The table provided by NASA gives stimate the total amount of infection needed to develop ymptoms of measles N f t 1000 In Copyright 2021 Cengage Learning All Rights Reserved May not be copied scanned or duplicated in whole or in part WCN 02 200 203 ight 2021 Cengage Learning All Rights Reserved May not be copied scanned or duplicated in whole or in part Due to electronic rights some third party content may be suppressed from the eBook and or eChapter s view has deemed that any suppressed content does not materially affect the overall learning experience Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require sured in number of infected cells per mL of blood plasma reaches a peak density at about t 12 days when a rash appears and then decreases fairly rapidly as a result of immune response The area under the graph of N t from t 0 tot 12 as shown in the figure is equal to the total amount of infection needed to develop symptoms measure in density of infected cells X time The function N has been modeled by the function f t t t21 t 1 Use this model with six subintervals and their midpoints to SECTION 5 1 b Show that R The Area and Distance Problems b f a Then draw a diagram to illustrate this equation ing that the n rectangles representing R Ln C reassembled to form a single rectangle whose a right hand side of the equation c Deduce that Ln b a R A n b a f b f a