Question
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At a local grocery store, the deli counter has bologna on sale for \( \$ 4.66 \) per pound with a limit of 1.82 pounds per customer. If \( y \) represents the total cost for buying \( x \) pounds of bologna, then which set of compound inequalities below represents the domain and range of this situation? \[ 0 \leq x \leq 8.48 \text { and } 0 \leq y \leq 1.82 \] \( 0 \leq x \leq 1.8 \) and \( 0 \leq y \leq 4.66 \) \( 0 \leq x \leq 4.66 \) and \( 0 \leq y \leq 1.82 \) \( 0 \leq x \leq 1.82 \) and \( 0 \leq y \leq 8.48 \)

Ask by Peters Mejia. in the United States
Jan 23,2025

Real Tutor Solution

Tutor-Verified Answer

Answer

The correct set of compound inequalities is: \( 0 \leq x \leq 1.82 \) and \( 0 \leq y \leq 8.48 \).

Solution

To determine the correct set of compound inequalities representing the domain and range for this situation, let's break down the information: 1. **Domain (\( x \)):** - **Definition:** The domain represents the possible values of \( x \), which in this case is the number of pounds of bologna a customer can buy. - **Given:** There is a limit of **1.82 pounds** per customer. - **Inequality:** \( 0 \leq x \leq 1.82 \) 2. **Range (\( y \)):** - **Definition:** The range represents the possible total costs \( y \) associated with buying \( x \) pounds of bologna. - **Calculation:** Since the price is **\$4.66 per pound**, the total cost \( y \) is calculated as: \[ y = 4.66x \] - **Maximum Cost:** When \( x = 1.82 \): \[ y = 4.66 \times 1.82 \approx 8.48 \] - **Inequality:** \( 0 \leq y \leq 8.48 \) Combining both, the correct set of compound inequalities is: \[ 0 \leq x \leq 1.82 \quad \text{and} \quad 0 \leq y \leq 8.48 \] **Correct Answer:** \( 0 \leq x \leq 1.82 \) and \( 0 \leq y \leq 8.48 \)

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Mind Expander

The situation describes a limit on the pounds of bologna a customer can buy, which is 1.82 pounds. If we denote the total cost \( y \) based on the weight \( x \) in pounds, then the total cost can be calculated as \( y = 4.66x \). Thus, for \( x \) in the range of \( 0 \) to \( 1.82 \), the corresponding values of \( y \) will be \( 0 \leq y \leq 4.66 \), since buying the maximum allowed will yield that maximum cost! So, the correct set of compound inequalities representing the domain and range here would be \( 0 \leq x \leq 1.82 \) and \( 0 \leq y \leq 4.66 \). If you're still grappling with inequalities, think of them like a playground with fences! The fences ensure that the children (representing our variables) can only roam within certain boundaries. For bologna, our kids can't go over 1.82 pounds at the deli counter, and the total cost can’t jump over $4.66 either. Staying within these bounds is key to enjoying the bologna without overspending!

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