Determine the Slope and the Y-Intercept of the Graph of the Equation

question 111

Multiple Choice

Determine the slope and the y-intercept of the graph of the equation.
- $$x + y + 9 = 0$$

• A) \(\mathrm { m } = - 1 ; ( 0 , - 9 )\)
• B) \(\mathrm { m } = 1 ; ( 0 , - 9 )\)
• C) \(\mathrm { m } = 0 ; ( 0 , - 9 )\)
• D) \(\mathrm { m } = - 1 ; ( 0,9 )\)

Understand the concept of a time series and identify its four components: long-term trend, cyclical variation, seasonal variation, and random variation.

Apply exponential smoothing techniques to forecast future values of a time series.

Identify the effects of different smoothing constants on time series forecasts and the speed of reaction to changes in data trends.

Conduct a moving average analysis to smooth time series data and identify patterns.

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