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A sinusoidal function whose frequency is 3, maximum value is 12, minimum value is  −6   has a y-intercept of 3.

Which function could be the function described?

 

f(x)=9sin(6πx)−6

 

f(x)=9sin(6πx)+3

 

f(x)=9sin(3x)+3

 

f(x)=9sin(x/3)−3

 

I think it is B possibly 

 Jan 14, 2019

Best Answer 

 #1
avatar+533 
+1

it is either b or c due to the fact that (0, 3) is on the graph, and since the frequency is 3, the period is 1/3, and since it is 2pi/(the coefficient of x inside the sin function), then only \(\boxed{B}\) satiesfies it, because the coefficient is 6pi, and you get 2pi/6pi or 1/3. 

 

HOPE THIS HELPED!

 Jan 14, 2019
 #1
avatar+533 
+1
Best Answer

it is either b or c due to the fact that (0, 3) is on the graph, and since the frequency is 3, the period is 1/3, and since it is 2pi/(the coefficient of x inside the sin function), then only \(\boxed{B}\) satiesfies it, because the coefficient is 6pi, and you get 2pi/6pi or 1/3. 

 

HOPE THIS HELPED!

asdf335 Jan 14, 2019
 #2
avatar+922 
+1

I agree with you. smiley yes it has helped thanks 

jjennylove  Jan 14, 2019

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