Find the Phase Shift of the Function $$y = - 2 \cos \left( x + \frac { \pi } { 4 } \right)$$

question 69

Multiple Choice

Find the phase shift of the function.
- $$y = - 2 \cos \left( x + \frac { \pi } { 4 } \right)$$

• A) \(- 2\) units up
• B) -2 units down
• C) \(\frac { \pi } { 4 }\) units to the right
• D) \(\frac { \pi } { 4 }\) units to the left

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Definitions:

#6 Dash

A designation used in the hydraulic industry to specify hose or fitting size, equivalent to a 3/8-inch size.

Hydraulic Fittings

Components used to connect tubes, pipes, and hoses in hydraulic systems, securing high-pressure fluid flow.

Pipe Seal Compound

A chemical substance used to create a leak-proof and pressure-tight seal on pipe threads or joints.

Torquing

The act of applying a specific amount of twisting force to a nut, bolt, or screw to ensure it is tightened to the correct specification.