The function F of v if the actual frequency of sound emitted by the ambulance is 560 H z when an ambulance is moving toward an observer and the frequency of a sound relative to an observer is given by F v = f a s 0 s 0 − v , where f a is the actual frequency of the sound at the source, s 0 is the speed of the sound in air 772.4 mph , and v is the speed at which the source of sound is moving toward the observer.
The function F of v if the actual frequency of sound emitted by the ambulance is 560 H z when an ambulance is moving toward an observer and the frequency of a sound relative to an observer is given by F v = f a s 0 s 0 − v , where f a is the actual frequency of the sound at the source, s 0 is the speed of the sound in air 772.4 mph , and v is the speed at which the source of sound is moving toward the observer.
Solution Summary: The author explains the cost function F of v if the actual frequency of sound emitted by the ambulance is 560Hz.
The function F of v if the actual frequency of sound emitted by the ambulance is 560Hz when an ambulance is moving toward an observer and the frequency of a sound relative to an observer is given by Fv=fas0s0−v , where fa is the actual frequency of the sound at the source, s0 is the speed of the sound in air 772.4mph , and v is the speed at which the source of sound is moving toward the observer.
(b)
To determine
To graph: The sketch of a function given by Fv=560772.4772.4−v on the window 0,1000,100by0,5000,1000 .
(c)
To determine
The effect of the frequency of sound when the speed of the ambulance increases.
8:38
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TEMU
TEMU
-3
-2
7
B
2
1
& 5G. 61%
1
2
-1
Based on the graph above, determine
the amplitude, period, midline, and
equation of the function. Use f(x) as
the output.
Amplitude:
2
Period: 2
Midline:
2
☑ syntax
error: this is not an equation.
Function:
f(x) = −2 cos(πx + 2.5π) +2×
Question Help: Worked Example 1 ☑
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8:39
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TEMU
5G 60%
A ferris wheel is 28 meters in diameter
and boarded from a platform that is 2
meters above the ground. The six
o'clock position on the ferris wheel is
level with the loading platform. The
wheel completes 1 full revolution in 4
minutes. The function h = f(t) gives
your height in meters above the
ground t minutes after the wheel
begins to turn.
What is the amplitude?
14
meters
What is the equation of the Midline?
y = 16
What is the period?
4
meters
minutes
The equation that models the height
of the ferris wheel after t minutes is:
f(t):
=
ƒ (3) = ·−14(0) + 16
syntax error: you gave an equation,
not an expression. syntax error. Check
your variables - you might be using an
incorrect one.
How high are you off of the ground
after 3 minutes? Round your answe
the nearest meter.
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