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**Math III Math Semester 2 Assignment 1 Charlotte, NC 2024-2025**

**Calculator Active Section**

**Directions for Calculator Active Items:**
- Calculators may be used on calculator active items.
- Read each problem carefully.
- Choose the best answer from the choices given.
- Fractions in some answer choices may have been simplified. Check each answer choice to see if this has been done.
- Diagrams used in the test may not be drawn to scale.
- At this time, you can check your answers for calculator active items only.

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Consider the dimensions of a wooden board in the shape of a rectangular prism with a length of [tex]$x$[/tex] inches.

Which inequality can be used to find the length of the board if the board has a volume of less than 224 cubic inches?

A. [tex]$x^3 - 50 \ < \ 224$[/tex]
B. [tex]$x^3 - 50 \leq 224$[/tex]
C. [tex]$x(x-24)(x-26) \ < \ 224$[/tex]
D. [tex]$x(x-24)(x-26) \leq 224$[/tex]

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Answer :

To determine the inequality that represents the volume condition for a wooden board shaped like a rectangular prism, we need to consider the dimensions of the board and the constraint on its volume.

1. Understanding Volume of a Rectangular Prism:
- The volume [tex]\( V \)[/tex] of a rectangular prism is calculated using the formula:
[tex]\[
V = \text{length} \times \text{width} \times \text{height}
\][/tex]

2. Given Information:
- We know the volume of the board is less than 224 cubic inches.

3. Determine the Inequality:
- From the choices provided, some suggest a structure where the dimensions of the board form a product like [tex]\( x(x-24)(x-26) \)[/tex].
- In this scenario, let [tex]\( x \)[/tex] be the length of the board, and let's assume the width and height are expressed as [tex]\( (x-24) \)[/tex] and [tex]\( (x-26) \)[/tex].

4. Setting Up the Volume Inequality:
- The equation for volume based on the assumed dimensions becomes:
[tex]\[
V = x(x-24)(x-26)
\][/tex]
- Since we know the volume is less than 224, we set up the inequality:
[tex]\[
x(x-24)(x-26) < 224
\][/tex]

5. Conclusion:
- Therefore, the correct inequality to represent the condition where the volume of the board is less than 224 cubic inches is:
[tex]\[
x(x-24)(x-26) < 224
\][/tex]

So, the solution to the problem is to use the inequality [tex]\( x(x-24)(x-26) < 224 \)[/tex] to find the length of the board such that the volume is less than 224 cubic inches.

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