SPreCalc7 5.3.004.
Question Description
Hi, I need help with these questions, they are easy, it’s just a matter of time
The sine and cosine curves y = a sin(kx)
and
y = a cos(kx), k > 0
have amplitude
and period
. The sine curve
y = 8 sin(2x)
has amplitude
and period
.
2.
SPreCalc7 5.3.004.
The sine curve y = a sin(k(x − b))
has amplitude
, period
, and horizontal shift
. The sine curve
y = 9 sin
5
x −
π |
4 |
has amplitude
, period
, and horizontal shift
.
3.
SPreCalc7 5.3.010.
Graph the function.f(x) = −3 + cos(x)
4.
SPreCalc7 5.3.014.
Graph the function.g(x) = −
5 |
8 |
cos(x)
5.
SPreCalc7 5.3.015.
Graph the function.g(x) = 3 + 4 cos(x)
6.
SPreCalc7 5.3.020.
Find the amplitude and period of the function.y = −sin(4x)
amplitude | |
period |
|
Sketch the graph of the function.
7.
SPreCalc7 5.3.022.
Find the amplitude and period of the function.y = cos(4πx)
amplitude | |
period |
|
Sketch the graph of the function.
8.
SPreCalc7 5.3.031.
Find the amplitude and period of the function.y = 3 +
1 |
3 |
cos(πx)
amplitude | |
period |
|
Sketch the graph of the function.
9.
SPreCalc7 5.3.037.
Find the amplitude, period, and phase shift of the function.y = −9 sin
5
x +
π |
5 |
amplitude | |
period |
|
phase shift |
|
Graph one complete period.
10.
SPreCalc7 5.3.042.
Find the amplitude, period, and phase shift of the function.y = 1 + cos
3x +
π |
4 |
amplitude | |
period |
|
phase shift |
|
Graph one complete period.
11.
SPreCalc7 5.3.045.
Find the amplitude, period, and phase shift of the function.y = sin(π + 2x)
amplitude | |
period |
|
phase shift |
|
Graph one complete period.
12.
SPreCalc7 5.3.048.
The graph of one complete period of a cosine curve is given.
(a) Find the amplitude, period, and horizontal shift. (Assume the absolute value of the horizontal shift is less than the period.)
amplitude | |
period | |
horizontal shift |
|
(b) Write an equation that represents the curve in the form
y = a cos(k(x − b)).
y =
13.
SPreCalc7 5.3.050.MI.
The graph of one complete period of a sine curve is given.
(a) Find the amplitude, period, and horizontal shift. (Assume the absolute value of the horizontal shift is less than the period.)
amplitude | |
period | |
horizontal shift |
|
(b) Write an equation that represents the curve in the form
y = a sin(k(x − b)).
y =
14.
SPreCalc7 5.3.056.
A graphing calculator is recommended.
Determine an appropriate viewing rectangle for the function, and use it to draw the graph.f(x) = 7 sin(170x)
15.
SPreCalc7 5.3.060.
A graphing calculator is recommended.
Determine an appropriate viewing rectangle for the function, and use it to draw the graph.f(x) = csc(40x)
16.
SPreCalc7 5.3.067.
A graphing calculator is recommended.
Graph the three functions on a common screen.y = x2, y = −x2, y = x2 sin(x)
How are the graphs related?
is a sine curve that oscillates about the graph of
y = x2.
y = x2 sin(x)
is a fourth degree polynomial that lies between the graphs of
y = x2
and
y = −x2.
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