The rate of change in data entry speed of the average student is ds/dx = 2(x + 9)¬1/2, where x is the number of lessons the student has had and s is in entries per minute. %3D (a) Find the data entry speed as a function of the number of lessons if the average student can complete 12 entries per minute with no lessons (x = 0). %3D s(x) = (b) How many entries per minute can the average student complete after 27 lessons? entries per minute
The rate of change in data entry speed of the average student is ds/dx = 2(x + 9)¬1/2, where x is the number of lessons the student has had and s is in entries per minute. %3D (a) Find the data entry speed as a function of the number of lessons if the average student can complete 12 entries per minute with no lessons (x = 0). %3D s(x) = (b) How many entries per minute can the average student complete after 27 lessons? entries per minute
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section: Chapter Questions
Problem 7T
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The rate of change in data entry speed of the average student is
ds/dx = 2(x + 9)−1/2,
where x is the number of lessons the student has had and s is in entries per minute.
(a) Find the data entry speed as a function of the number of lessons if the average student can complete 12 entries per minute with no lessons
(x = 0).
A new fast-food firm predicts that the number of franchises for its products will grow at the rate
= 3
dn |
dt |
t + 1
|
please answer both
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