Math Problem Statement

Graph f and h f(x) = x h(x) = 4x - 2

Solution

numpy as np import matplotlib.pyplot as plt

Define the functions

x = np.linspace(-10, 10, 400) f_x = x h_x = 4 * x - 2

Plot the functions

plt.figure(figsize=(8, 6)) plt.plot(x, f_x, label='f(x) = x', linewidth=2) plt.plot(x, h_x, label='h(x) = 4x - 2', linewidth=2)

Add labels, legend, and grid

plt.title('Graphs of f(x) = x and h(x) = 4x - 2') plt.xlabel('x') plt.ylabel('y') plt.axhline(0, color='black',linewidth=0.5) plt.axvline(0, color='black',linewidth=0.5) plt.grid(color = 'gray', linestyle = '--', linewidth = 0.5) plt.legend()

Show the plot

plt.show()The graph displays the two functions:

  • f(x)=xf(x) = x, which is a straight line passing through the origin with a slope of 1.
  • h(x)=4x2h(x) = 4x - 2, which is a straight line with a slope of 4 and a y-intercept at -2.

Would you like to analyze these graphs further or explore specific aspects of their relationships?

Here are 5 questions to expand your understanding:

  1. How do the slopes of f(x)f(x) and h(x)h(x) compare, and what does this tell you about their steepness?
  2. At what point do f(x)f(x) and h(x)h(x) intersect?
  3. How does the y-intercept of h(x)h(x) influence its position relative to f(x)f(x)?
  4. What is the difference in their rates of change, and how does this reflect on the graph?
  5. Can you derive the equation for where f(x)f(x) and h(x)h(x) are equal?

Tip: When comparing functions graphically, focus on their slope and intercept to understand their behavior relative to each other.

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Math Problem Analysis

Mathematical Concepts

Graphing Linear Functions
Slope and Intercept Analysis
Function Comparison

Formulas

f(x) = x
h(x) = 4x - 2
y = mx + b (slope-intercept form)

Theorems

Slope-Intercept Theorem
Intersection of Lines

Suitable Grade Level

Grades 8-10