Population growth: bacteria. A drug that stimulates reproduction is introduced into a colony of bacteria. After t minutes, the number of bacteria is given approximately by N ( t ) = 1 , 000 + 30 t 2 − t 3 0 ≤ t ≤ 20 (A) When is the rate of growth, N ′ ( t ), increasing? Decreasing? (B) Find the inflection points for the graph of N. (C) Sketch the graphs of . N and N ′ on the. same coordinate system . (D) What is the maximum rate of growth?
Population growth: bacteria. A drug that stimulates reproduction is introduced into a colony of bacteria. After t minutes, the number of bacteria is given approximately by N ( t ) = 1 , 000 + 30 t 2 − t 3 0 ≤ t ≤ 20 (A) When is the rate of growth, N ′ ( t ), increasing? Decreasing? (B) Find the inflection points for the graph of N. (C) Sketch the graphs of . N and N ′ on the. same coordinate system . (D) What is the maximum rate of growth?
Solution Summary: The author explains how the rate of change of the function N'(t) increases and decreases.
Population growth: bacteria. A drug that stimulates reproduction is introduced into a colony of bacteria. After t minutes, the number of bacteria is given approximately by
N
(
t
)
=
1
,
000
+
30
t
2
−
t
3
0
≤
t
≤
20
(A) When is the rate of growth, N′ (t), increasing? Decreasing?
(B) Find the inflection points for the graph of N.
(C) Sketch the graphs of .N and N′ on the. same coordinate system.
(D) What is the maximum rate of growth?
System that uses coordinates to uniquely determine the position of points. The most common coordinate system is the Cartesian system, where points are given by distance along a horizontal x-axis and vertical y-axis from the origin. A polar coordinate system locates a point by its direction relative to a reference direction and its distance from a given point. In three dimensions, it leads to cylindrical and spherical coordinates.
Show that the Laplace equation in Cartesian coordinates:
J²u
J²u
+
= 0
მx2 Jy2
can be reduced to the following form in cylindrical polar coordinates:
湯(
ди
1 8²u
+
Or 7,2 მ)2
= 0.
Draw the following graph on the interval
πT
5π
< x <
x≤
2
2
y = 2 cos(3(x-77)) +3
6+
5
4-
3
2
1
/2 -π/3 -π/6
Clear All Draw:
/6 π/3 π/2 2/3 5/6 x 7/6 4/3 3/2 5/311/6 2 13/67/3 5
Question Help: Video
Submit Question Jump to Answer
Determine the moment about the origin O of the force F4i-3j+5k that acts at a Point A. Assume that the position vector of A is (a) r =2i+3j-4k, (b) r=-8i+6j-10k, (c) r=8i-6j+5k
Chapter 4 Solutions
Calculus for Business, Economics, Life Sciences, and Social Sciences (13th Edition)
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, subject and related others by exploring similar questions and additional content below.
01 - What Is A Differential Equation in Calculus? Learn to Solve Ordinary Differential Equations.; Author: Math and Science;https://www.youtube.com/watch?v=K80YEHQpx9g;License: Standard YouTube License, CC-BY
Higher Order Differential Equation with constant coefficient (GATE) (Part 1) l GATE 2018; Author: GATE Lectures by Dishank;https://www.youtube.com/watch?v=ODxP7BbqAjA;License: Standard YouTube License, CC-BY