Find the Phase Shift of the Function $$y = - 5 \sin \left( \frac { 1 } { 2 } x - \frac { \pi } { 2 } \right)$$

question 25

Multiple Choice

Find the phase shift of the function.
- $$y = - 5 \sin \left( \frac { 1 } { 2 } x - \frac { \pi } { 2 } \right)$$

• A) \(\frac { \pi } { 5 }\) units to the left
• B) \(\pi\) units to the right
• C) \(\frac { \pi } { 4 }\) units to the left
• D) \(\frac { \pi } { 2 }\) units to the right

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Definitions:

Nearsighted

A common vision condition where close objects are seen clearly, but distant objects appear blurred, also known as myopia.

Uncorrected Vision

Refers to a vision impairment that is not corrected or improved through the use of corrective lenses or surgery.

Equilibrium Reaction

A chemical reaction where the rate of the forward reaction equals the rate of the reverse reaction, resulting in no net change in the concentration of reactants and products.

K

The symbol for potassium, a soft, silvery-white metallic element that is essential for living cells and important in many industrial processes.