Find the Period P, Amplitude A, and Phase Shift S $y = 3 \cos \left( \frac { 3 } { 4 } x - 90 ^ { \circ } \right)$

question 13

Multiple Choice

Find the period P, amplitude A, and phase shift S, and graph at least two periods of the equation. $y = 3 \cos \left( \frac { 3 } { 4 } x - 90 ^ { \circ } \right)$

• A) P = 480°, A = 3, S = -120°
• B) P = 480°, A = 3, S = 120°
• C) P = 120°, A = 0.75, S = -30°
• D) P = 120°, A = 0.75, S = -30°
• E) P = 480°, A = 3, S = -120°

Analyze the credibility of external sources cited in arguments using specific criteria.

Recognize the significant role of shared ideological convictions in shaping social groups and personal identities.

Understand the treatment of reasons in ideological arguments as hypotheses versus statements of fact.

Understand the motives behind fostering animosity among different ethnic groups by Anglo-American elites.

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Definitions:

Sample Variance

A measure of variability within a sample dataset, calculated by taking the sum of squared differences from the mean divided by the number of observations minus one.

Standard Deviation

A statistics metric that quantifies the variation or dispersion of a set of values.

Sample Mean

The average value of a sample, calculated by summing all the observations and dividing by the number of observations in the sample.

Range

The difference between the maximum and minimum values in a data set, indicating the spread of the data.