sara1234
explain how to
Find the amplitude of y = 3 sin x.
Delete
Share
This Question is Closed
surdawi
Best Response
You've already chosen the best response.
2
y = A * sin(bx)
A = amplitude
what is it?
sara1234
Best Response
You've already chosen the best response.
0
3
surdawi
Best Response
You've already chosen the best response.
2
you got it
see how easy it was
sara1234
Best Response
You've already chosen the best response.
0
Describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x).
f(x) = 9 cos x; g(x) = cos x
surdawi
Best Response
You've already chosen the best response.
2
what do you multiply g(x) to get f(x)?
sara1234
Best Response
You've already chosen the best response.
0
9
sara1234
Best Response
You've already chosen the best response.
0
A.Horizontal stretch by a factor of 9
B.Vertical stretch by a factor of 9
C.Horizontal shrink by a factor of 1over9
D.Vertical shrink by a factor of 1over9
surdawi
Best Response
You've already chosen the best response.
2
B.Vertical stretch by a factor of 9
surdawi
Best Response
You've already chosen the best response.
2
you can graph them and see the change
sara1234
Best Response
You've already chosen the best response.
0
how do you graph y=2/3sin1/2x
surdawi
Best Response
You've already chosen the best response.
2
2/3 is the amplitude correct?
plug in values for x
y=2/3sin1/2x
x=0; y = 0
can you try it then i will go over it with you
sara1234
Best Response
You've already chosen the best response.
0
this is a differnt question it says find thet graph that goes with
y= 2
--- sin 1
3 ----
2 x
surdawi
Best Response
You've already chosen the best response.
2
is that the question?\[\frac{ 2 }{ 3 }*\sin(\frac{ 1 }{ 2x })\]
surdawi
Best Response
You've already chosen the best response.
2
sara you there?
sara1234
Best Response
You've already chosen the best response.
0
its not 2x its 1/2 x
sara1234
Best Response
You've already chosen the best response.
0
1
--- x
2
surdawi
Best Response
You've already chosen the best response.
2
ok amplitude is 2/3
period is \[0 \le x \le \frac{ 2*\Pi }{ 1/2 }\]
sara1234
Best Response
You've already chosen the best response.
0
sara1234
Best Response
You've already chosen the best response.
0
surdawi
Best Response
You've already chosen the best response.
2
plug in 0 what do you get
\[\frac{ 2 }{ 3 }*\sin{\frac{ 1 }{ 2 }*0}\]
surdawi
Best Response
You've already chosen the best response.
2
+ you have the amplitude; which graph shows the right amp?
sara1234
Best Response
You've already chosen the best response.
0
how do i know which graph shows 2/3
surdawi
Best Response
You've already chosen the best response.
2
all graphs has marked where 1 is