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# The data show the average monthly temperatures for Washington, D.C.TABLE CANNOT COPY!a. Use your graphing utility to draw a scatter plot of the data from $x=1$ through $x=12$b. Use the SINe REGression feature to find the sinusoidal function of the form $y=A \sin (B x+C)+D$ that best fits the data.c. Use your graphing utility to draw the sinusoidal functionof best fit on the scatter plot.

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##### Kristen K.

University of Michigan - Ann Arbor

##### Michael J.

Idaho State University

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### Video Transcript

the graph off portion E in this rectangle riches from 32 15 and from 30 25 from 0 25 So the graph starts from this point, will move Sinus Really and really, And here this is the graph of the given function off part of the question, or let us start part to be using the sign regulation feature. The function from the above data is vie Quito 22.61 sign off 0.50 times off X minus 2.4 bless 57.17 We can use this using the graphing calculator so the situation will appear ven ve going to the signed aggression feature of the calculator.

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#### Topics

Functions

Introduction to Trigonometry

##### Kristen K.

University of Michigan - Ann Arbor

##### Michael J.

Idaho State University