Solve the Absolute Value Inequality $\phi$ , Use Interval Notation to Express the Solution Set and Use

question 357

Multiple Choice

Solve the absolute value inequality. Other than $\phi$ , use interval notation to express the solution set and graph the solution set on a number line.
- $| x + 1 | \leq 0$

• A) \((-\infty,-1)\)
• B) \(\{ - 1 \}\)
• C) \(\{ 1 \}\)
• D) \(\varnothing\)

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Definitions:

Raw Materials Quantity Variance

The difference between the actual quantity of raw materials used in production and the standard quantity expected to be used, multiplied by the standard cost per unit of raw material.

Raw Materials Price Variance

The difference between the actual cost of raw materials purchased and the standard or expected cost, reflecting variances in purchase prices.

Raw Materials Quantity Variance

The difference between the expected and actual quantity of raw materials used in production, affecting manufacturing costs.

Materials Price Variance

This is the difference between the actual cost of direct materials and the standard cost, multiplied by the quantity purchased.