Math Problem Statement
Begin by graphing
f left parenthesis x right parenthesis equals log Subscript 4 Baseline xf(x)=log4x.
Then use transformations of this graph to graph the given function. What is the vertical asymptote? Use the graphs to determine the given function's domain and range.
g left parenthesis x right parenthesis equals log Subscript 4 Baseline left parenthesis x plus 6 right parenthesisg(x)=log4(x+6)
Solution
Let’s work through the problem step by step:
Step 1: Base graph :
The base graph has the following properties:
- Vertical asymptote: , because is undefined for .
- Domain: .
- Range: .
Step 2: Transformations to graph :
The function introduces a horizontal shift of units to the left (since when ).
Properties of :
- Vertical asymptote: The vertical asymptote shifts from to .
- Domain: , so . The domain is .
- Range: Logarithmic functions always have a range of , which remains unchanged.
Graphical Transformation:
The graph of is obtained by shifting the graph of 6 units to the left.
Step 3: Vertical Asymptote and Range:
- Vertical Asymptote: .
- Domain: .
- Range: .
Visualization:
I will now generate and share a graph of and . Define the transformed function g(x) = log_4(x + 6) def log_base_4_transformed(x): return np.log(x + 6) / np.log(4)
Compute the transformed function
g_x = log_base_4_transformed(x)
Plot the graphs
plt.figure(figsize=(10, 6)) plt.plot(x, f_x, label=r"$f(x) = \log_4(x)$", color='blue', linewidth=2) plt.plot(x, g_x, label=r"$g(x) = \log_4(x + 6)$", color='green', linestyle='--', linewidth=2)
Highlight the vertical asymptotes
plt.axvline(0, color='black', linestyle=':', linewidth=1, label="As
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Math Problem Analysis
Mathematical Concepts
Logarithmic Functions
Graph Transformations
Domain and Range Analysis
Vertical Asymptotes
Formulas
f(x) = log_b(x)
g(x) = log_b(x + c)
Theorems
Logarithmic Transformation Rules
Suitable Grade Level
Grades 10-12
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