1 7. Sketch the curve showing clearly the asymptote(s), the turning point(s) and (x-2)(x+3) intercept(s) with the coordinates axis.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Answer Q7, 8, 9

CURVE SKETCHING
1. Solve in the form: y = f(x), the differential equation (1+x)"
dx
2dy
- (3 + x) = ) when x = 0.
%3D
-
%3D
2x
labelling the
%3D
Sketch on the same axis the graphs of: a) y = f(x) – In(x + 1) b) y = f(x)
%3D
1+x
curve a and b carefully and showing clearly the intercepts with the coordinates axes and all
the horizontal and vertical asymptotes
%3D
2. Using the same axes draw the graphs of y = /x-1/, y= /2x – 1/ –1, Hence determine the set
of real values of x for which /2x – 1/- /x - 1/> 1.
X-4
dy
Sketch the curve
3. Given that (x -
dx
=1 - y and that y = -2 when x = 2 show that y
%3|
|
X-1
X-4
showing clearly the points at which the curve meets the coordinates axis and the
x-1
behavior of the curve near it asymptotes. Find the gradient of the curve at the point (0,4).
1
4. Sketch the curve y
showing clearly the asymptotes and the turning points.
x2 -4'
x² -1
5. Given that f(x)
sketch the curve y = f(x), giving the coordinates of the turning point,
x2+1
the coordinates of the point of inflexion and the equation of the asymptote.
6. Solve in the form y = f(x), the differential equation (x - 3) +2= 0, given that y =0 when
dx
x = 2. Sketch the curve y = f(x), showing clearly all the asymptotes and the intercepts with
the coordinates axis. Find the equation of the tangent to the curve y=f(x) at the point (4,4).
1
7. Sketch the curve
showing clearly the asymptote(s), the turning point(s) and
(x-2)(x+3)
intercept(s) with the coordinates axis.
8. Sketch the curve y = xe 7, showing clearly the turning point and the point of
inflexion.
9. Using the same axis, sketch the graphs of y = cos3x and y = cos x for 0°<x < 180°,
distinguishing between the two graphs and showing clearly the values of x in the interval 0° <
X<180°, for which cos3x < cos2x, giving your answer in degrees, correct to two decimal
places. (you may assume that cos3x = 4cos x- 3cosx ).
%3D
10. Sketch the curve y
X+2
showing clearly the behayior of the curve near its asymptotes and
X+1'
where it cuts the coordinates axis. Find the area of the finite region bounded by the curve
91
Transcribed Image Text:CURVE SKETCHING 1. Solve in the form: y = f(x), the differential equation (1+x)" dx 2dy - (3 + x) = ) when x = 0. %3D - %3D 2x labelling the %3D Sketch on the same axis the graphs of: a) y = f(x) – In(x + 1) b) y = f(x) %3D 1+x curve a and b carefully and showing clearly the intercepts with the coordinates axes and all the horizontal and vertical asymptotes %3D 2. Using the same axes draw the graphs of y = /x-1/, y= /2x – 1/ –1, Hence determine the set of real values of x for which /2x – 1/- /x - 1/> 1. X-4 dy Sketch the curve 3. Given that (x - dx =1 - y and that y = -2 when x = 2 show that y %3| | X-1 X-4 showing clearly the points at which the curve meets the coordinates axis and the x-1 behavior of the curve near it asymptotes. Find the gradient of the curve at the point (0,4). 1 4. Sketch the curve y showing clearly the asymptotes and the turning points. x2 -4' x² -1 5. Given that f(x) sketch the curve y = f(x), giving the coordinates of the turning point, x2+1 the coordinates of the point of inflexion and the equation of the asymptote. 6. Solve in the form y = f(x), the differential equation (x - 3) +2= 0, given that y =0 when dx x = 2. Sketch the curve y = f(x), showing clearly all the asymptotes and the intercepts with the coordinates axis. Find the equation of the tangent to the curve y=f(x) at the point (4,4). 1 7. Sketch the curve showing clearly the asymptote(s), the turning point(s) and (x-2)(x+3) intercept(s) with the coordinates axis. 8. Sketch the curve y = xe 7, showing clearly the turning point and the point of inflexion. 9. Using the same axis, sketch the graphs of y = cos3x and y = cos x for 0°<x < 180°, distinguishing between the two graphs and showing clearly the values of x in the interval 0° < X<180°, for which cos3x < cos2x, giving your answer in degrees, correct to two decimal places. (you may assume that cos3x = 4cos x- 3cosx ). %3D 10. Sketch the curve y X+2 showing clearly the behayior of the curve near its asymptotes and X+1' where it cuts the coordinates axis. Find the area of the finite region bounded by the curve 91
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