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Graph the solution set of each system of inequalities. $$\begin{aligned}&y \geq 3^{x}\\\&y \geq 2\end{aligned}$$

Short Answer

Expert verified
Shade the region above both the curve \(y = 3^x\) and the line \(y = 2\).

Step by step solution

01

Understand the Inequalities

The system of inequalities consists of two inequalities: 1. \(y \geq 3^x\)2. \(y \geq 2\). The goal is to find the region on the graph where both inequalities are true simultaneously.
02

Graph \(y \geq 3^x\)

First, graph the equation \(y = 3^x\). This is an exponential curve that passes through the point \((0,1)\) and rises rapidly as \(x\) increases. Then, since it is \(y \geq 3^x\), shade the region above this curve.
03

Graph \(y \geq 2\)

Next, graph the horizontal line \(y = 2\). This line intersects the \(y\)-axis at \(y = 2\). Since the inequality is \(y \geq 2\), shade the region above this line as well.
04

Identify the Solution Region

The solution set is the region where the shaded areas from both inequalities overlap. This region is above both the exponential curve \(y = 3^x\) and the horizontal line \(y = 2\).

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Solution Set
A solution set is the set of all possible values that satisfy a given condition or set of conditions. For inequalities, instead of finding a single correct answer, we find a range of values that meet the inequality's requirements.
In our exercise, the solution set is the area on the graph where both inequalities overlap.
  • For the inequality 饾懄 鈮 3^饾懃, the solution set includes all points above the exponential curve 饾懄 = 3^饾懃.
  • For the inequality 饾懄 鈮 2, the solution set includes all points above the horizontal line 饾懄 = 2.
The final solution set, therefore, is the region where the shaded areas of both inequalities intersect. This encompasses values where both conditions are true simultaneously. Understanding the solution set helps us visualize the range of solutions that satisfy the given system of inequalities.
Exponential Functions
Exponential functions are mathematical expressions where a constant base is raised to a variable exponent. They have the form y = a^x, where a is a positive real number.
In our exercise, the function is 饾懄 = 3^饾懃, where the base is 3. This means that:
  • For 饾懃 = 0, 饾懄 = 3^0 = 1.
  • For 饾懃 = 1, 饾懄 = 3^1 = 3.
  • For 饾懃 = 2, 饾懄 = 3^2 = 9.
The exponential curve rises quickly, increasing sharply as 饾懃 increases. This property is important when graphing, as it helps to distinguish the curve from linear functions and understand the rapid growth of the function.
When working with inequalities like 饾懄 鈮 3^饾懃, it鈥檚 crucial to realize that the solution set consists of all points on and above the curve. Hence, the area above this curve is shaded on the graph.
System of Inequalities
A system of inequalities comprises two or more inequalities that are solved together. The goal is to find the set of all possible points that satisfy all inequalities at the same time.
In this exercise, we have the system:
  • 饾懄 鈮 3^饾懃
  • 饾懄 鈮 2
The solution to a system of inequalities is the intersection of the solution sets of the individual inequalities. Here鈥檚 how to graph a system of inequalities:
1. **Graph each inequality separately.** Start with the first inequality, then do the next ones.
2. **Shade the respective regions.** For each inequality, shade the area that satisfies it.
3. **Find the overlapping region.** The solution set of the system is the area where all shadings intersect.
In our specific case, the solution is the region above both the exponential function 饾懄 = 3^饾懃 and the horizontal line 饾懄 = 2. This means that any point in this overlapping area satisfies both inequalities at the same time. Always look for the intersecting shaded region when working with systems of inequalities.

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