Math Problem Statement
Graph the function f(x) = log_(1/2)(x + 1) - 2.
Solution
To graph the function , follow these steps:
-
Understand the Components:
- : This is a logarithmic function with base . The logarithm with a base less than 1 is a decreasing function.
- : This is a vertical shift downward by 2 units.
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Identify Key Points:
- The domain of the function is .
- The vertical asymptote is at .
- When , .
- When , .
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Graphing Steps:
- Draw the vertical asymptote at .
- Plot the point (0, -2).
- Plot the point (1, -3).
- As approaches from the right, approaches .
- As increases, decreases without bound, but at a decreasing rate.
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Sketch the Graph:
- Start near the vertical asymptote at and draw the curve approaching infinity as approaches from the right.
- Pass through the points (0, -2) and (1, -3).
- Continue the curve downward as increases, showing the decreasing nature of the logarithmic function.
Let's create a graph based on these details:
Would you like further details or have any questions? Here are some relative questions for deeper understanding:
- What is the effect of the base of a logarithmic function on its graph?
- How do vertical shifts affect the graph of a function?
- What are vertical asymptotes, and how are they determined for logarithmic functions?
- How do you find the domain of a logarithmic function?
- What are the general characteristics of logarithmic functions with bases less than 1?
Tip: Always check the domain of the logarithmic function before graphing, as it defines where the function is valid.
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Math Problem Analysis
Mathematical Concepts
Logarithmic Functions
Transformations of Functions
Graphing
Formulas
f(x) = log_b(x + c) + d
Theorems
Properties of Logarithmic Functions
Transformations of Logarithmic Graphs
Suitable Grade Level
Grades 10-12