anonymous
  • anonymous
Find the amplitude feature for the sin graph of y=f(x) 1)amplitude 2)period 3)phase shift 4.)the domain/the range 5.)x/y intercept 6.)the equation of the graph
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
|dw:1372972278692:dw|
anonymous
  • anonymous
i know the amplitude is 3 but how do i find the others by looking on te graph
dan815
  • dan815
|dw:1372972730730:dw|

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dan815
  • dan815
|dw:1372972742833:dw|
anonymous
  • anonymous
The amplitude is half the difference between the max value and min value. The max value here is 3 and the min value is -3. So A=(3--3)/2=3. The period is the time it takes for the graph to complete one cycle. Here, it completes one cycle between negative pi and pi, so the period is 2pi.
dan815
  • dan815
|dw:1372972804524:dw|
dan815
  • dan815
not sure if they count shift in up and down as phase shift too.. but theres no phase shift in your problem anyway, as it hasnt moved up or down or left or right
anonymous
  • anonymous
so the period would be -pi minus pi?
dan815
  • dan815
period is the length between these 2 points
dan815
  • dan815
|dw:1372972988966:dw|
dan815
  • dan815
what is that length?
anonymous
  • anonymous
-pi/2 to pi/2?
dan815
  • dan815
that is the start and end points u are giving me for 1 oscillation what is the length?
dan815
  • dan815
|dw:1372973050228:dw|
anonymous
  • anonymous
6?
dan815
  • dan815
|dw:1372973090009:dw|
dan815
  • dan815
|dw:1372973124432:dw|
dan815
  • dan815
|dw:1372973163758:dw|
anonymous
  • anonymous
oh 5 so i exclude my starting and ending point?
dan815
  • dan815
lemme ask you simpler question... what is this length|dw:1372973193523:dw|
dan815
  • dan815
you know pi is just a number right is that what is confusing you pi = 3.14159263.....
dan815
  • dan815
3.14159265*3
anonymous
  • anonymous
i dnt know why im not undertanding would it be -2? i did -pi/2-pie/2
dan815
  • dan815
okay can i ask you 1 thing
anonymous
  • anonymous
yea
dan815
  • dan815
|dw:1372973327455:dw|
dan815
  • dan815
ruler is 20 cm
anonymous
  • anonymous
yeah
dan815
  • dan815
whats the distance from the middle
dan815
  • dan815
to 20 cm
dan815
  • dan815
these are not trick questions lol
dan815
  • dan815
|dw:1372973442701:dw|
anonymous
  • anonymous
i would say 15 is b/w it ...
dan815
  • dan815
wut the...
dan815
  • dan815
okay a rule is 20 CM...
anonymous
  • anonymous
lol i dnt know
dan815
  • dan815
what is half of the rule distance?
dan815
  • dan815
okay maybe we need to work with smaller numbers...
dan815
  • dan815
|dw:1372973564661:dw|
anonymous
  • anonymous
do u know a site that has similar examples ?
dan815
  • dan815
what is the distance between point 1 and 2?
dan815
  • dan815
what is 1+1?
anonymous
  • anonymous
2
anonymous
  • anonymous
lol
dan815
  • dan815
okay so that means there was 1 added to 1
dan815
  • dan815
|dw:1372973646856:dw|
dan815
  • dan815
so that distance there is 1... DO YOU GET IT??
anonymous
  • anonymous
i think so
dan815
  • dan815
wait can you see my drawing?
anonymous
  • anonymous
yes
dan815
  • dan815
umm okay.. now what is this distance ur gonna have to start answering faster or this will take forever
dan815
  • dan815
|dw:1372973792265:dw|
anonymous
  • anonymous
1
dan815
  • dan815
yay
dan815
  • dan815
so how long is this whole line?|dw:1372973851072:dw|
anonymous
  • anonymous
2 i think
dan815
  • dan815
amazing u are like a genius
dan815
  • dan815
|dw:1372973890765:dw|
dan815
  • dan815
lengths in between there?
anonymous
  • anonymous
lol um
anonymous
  • anonymous
im not sure i dnt wanna write the wrong thing
dan815
  • dan815
theres ur problem.. ur too afraid to do math
dan815
  • dan815
you cant learn like that... everyone will make mistakes, but they have to learn from it
anonymous
  • anonymous
yeah i know
dan815
  • dan815
|dw:1372974092155:dw|
dan815
  • dan815
now answer
dan815
  • dan815
lemme show it to you another way
dan815
  • dan815
|dw:1372974117812:dw|
anonymous
  • anonymous
1
dan815
  • dan815
|dw:1372974154511:dw|
dan815
  • dan815
do you agree is right?
anonymous
  • anonymous
yes
dan815
  • dan815
what is the total length of this line?
anonymous
  • anonymous
2
dan815
  • dan815
okay, so u see me writing from 0 to 2 or -1 to 1 they were both length 2
anonymous
  • anonymous
yeah
dan815
  • dan815
|dw:1372974249234:dw|
dan815
  • dan815
okay now
dan815
  • dan815
|dw:1372974271992:dw|
anonymous
  • anonymous
2
dan815
  • dan815
2?
dan815
  • dan815
okay let me rephrase question
dan815
  • dan815
|dw:1372974319201:dw|
anonymous
  • anonymous
there is 1 for each side
dan815
  • dan815
....
dan815
  • dan815
|dw:1372974380394:dw|
dan815
  • dan815
|dw:1372974427613:dw|
anonymous
  • anonymous
3
dan815
  • dan815
|dw:1372974491987:dw|
anonymous
  • anonymous
3.14
dan815
  • dan815
|dw:1372974530003:dw|
anonymous
  • anonymous
0
dan815
  • dan815
...
dan815
  • dan815
what is the length of the left side
anonymous
  • anonymous
-3.14
dan815
  • dan815
length
dan815
  • dan815
can something be negative units long?
dan815
  • dan815
what is the size ? of that line
anonymous
  • anonymous
3.14
dan815
  • dan815
|dw:1372974670469:dw|
dan815
  • dan815
|dw:1372974677600:dw|
anonymous
  • anonymous
dan i dont want to take up your time...i better ask my techer in the morning
dan815
  • dan815
... we did too much work to stop here... can u tell me why u are so confused
dan815
  • dan815
do you know what pi is?
dan815
  • dan815
dont hesistate please just answer anything that comes into your mind, all i ask is that you answer fast
anonymous
  • anonymous
yea as a decimal
dan815
  • dan815
dont worry about being right and wrong for just 1 min
dan815
  • dan815
pi = ??
dan815
  • dan815
say yes or no? do u know what pi is
anonymous
  • anonymous
yes as a decimal 3.14
dan815
  • dan815
okay so...
dan815
  • dan815
|dw:1372974930747:dw|
dan815
  • dan815
length of this part?
anonymous
  • anonymous
3.14
dan815
  • dan815
or you can just say pi
anonymous
  • anonymous
yes
dan815
  • dan815
saying pi is the same as 3.14159...
dan815
  • dan815
|dw:1372974979657:dw|
dan815
  • dan815
length of left side?
anonymous
  • anonymous
yea i know
dan815
  • dan815
dont over think it... get simple
anonymous
  • anonymous
-pi
dan815
  • dan815
... again.. can the size or length of something be negative?
anonymous
  • anonymous
no
dan815
  • dan815
can your leg be - 3.14 long?
dan815
  • dan815
if you measure your leg from top to bottom and then bottom to top will your answer change
anonymous
  • anonymous
no lol
dan815
  • dan815
|dw:1372975088370:dw|
anonymous
  • anonymous
pi
dan815
  • dan815
if the right side from 0 to pi = pi then from 0 to -pi = ?
dan815
  • dan815
|dw:1372975121688:dw|
anonymous
  • anonymous
pi
dan815
  • dan815
pi is the length of half the line we just saw this
dan815
  • dan815
what is the length of the whole line?
anonymous
  • anonymous
2 pi
dan815
  • dan815
THANKGOD
dan815
  • dan815
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