**Question** Determine the magnitude and direction of the vertical shift and the phase shift for the function below. \[ f(x) = \sin \left( x + \frac{\pi}{3} \right) - 4 \] Select the correct answer below: - ☐ The vertical shift is \(\frac{\pi}{3}\) units down, and the phase shift is 4 units left. - ☐ The vertical shift is 4 units down, and the phase shift is \(\frac{\pi}{3}\) units left. - ☐ The vertical shift is 4 units up, and the phase shift is \(\frac{\pi}{3}\) units right. - ☐ The vertical shift is 4 units up, and the phase shift is \(\frac{\pi}{3}\) units left. - ☐ The vertical shift is 4 units down, and the phase shift is \(\frac{\pi}{3}\) units right. - ☐ The vertical shift is \(\frac{\pi}{3}\) units up, and the phase shift is 4 units right.

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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**Question**

Determine the magnitude and direction of the vertical shift and the phase shift for the function below.  

\[ f(x) = \sin \left( x + \frac{\pi}{3} \right) - 4 \]

Select the correct answer below:

- ☐ The vertical shift is \(\frac{\pi}{3}\) units down, and the phase shift is 4 units left.
- ☐ The vertical shift is 4 units down, and the phase shift is \(\frac{\pi}{3}\) units left.
- ☐ The vertical shift is 4 units up, and the phase shift is \(\frac{\pi}{3}\) units right.
- ☐ The vertical shift is 4 units up, and the phase shift is \(\frac{\pi}{3}\) units left.
- ☐ The vertical shift is 4 units down, and the phase shift is \(\frac{\pi}{3}\) units right.
- ☐ The vertical shift is \(\frac{\pi}{3}\) units up, and the phase shift is 4 units right.
Transcribed Image Text:**Question** Determine the magnitude and direction of the vertical shift and the phase shift for the function below. \[ f(x) = \sin \left( x + \frac{\pi}{3} \right) - 4 \] Select the correct answer below: - ☐ The vertical shift is \(\frac{\pi}{3}\) units down, and the phase shift is 4 units left. - ☐ The vertical shift is 4 units down, and the phase shift is \(\frac{\pi}{3}\) units left. - ☐ The vertical shift is 4 units up, and the phase shift is \(\frac{\pi}{3}\) units right. - ☐ The vertical shift is 4 units up, and the phase shift is \(\frac{\pi}{3}\) units left. - ☐ The vertical shift is 4 units down, and the phase shift is \(\frac{\pi}{3}\) units right. - ☐ The vertical shift is \(\frac{\pi}{3}\) units up, and the phase shift is 4 units right.
Expert Solution
Step 1

Given function is fx=sinx+π3-4.

We know that if we have function sinx+ϕ then there is phase shift of ϕ to the right of function sinx.

Therefore, from the given function, we can say that phase shift is π3 to the right.

We know that if k is a positive number then the graph of fx-k is the graph of y=fx shifted downwards k units.

Therefore, the graph of given function will be shifted downwards by 4 units.

Hence, correct answer is "The vertical shift is 4 units down and the phase shift is π3 units right.

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