Math Problem Statement

Use transformations to graph the given function: p(x) = √(3x).

Solution

The graph you've shared represents the function p(x)=3xp(x) = \sqrt{3x}. To graph this function using transformations, let's break down the transformations compared to the basic square root function y=xy = \sqrt{x}.

Step-by-step analysis:

  1. Starting with y=xy = \sqrt{x}:

    • This is the basic square root function, which has a domain of x0x \geq 0 and a range of y0y \geq 0. It starts at the origin (0,0)(0, 0).
  2. Transformation due to 3x3x:

    • The expression 3x\sqrt{3x} implies a horizontal compression of the graph by a factor of 13\frac{1}{\sqrt{3}}. This is because the factor of 3 inside the square root causes the graph to stretch or compress horizontally.
    • Essentially, every point on the graph of y=xy = \sqrt{x} will now occur at a smaller xx-coordinate, which causes the graph to "shrink" horizontally.

Key points for the graph of p(x)=3xp(x) = \sqrt{3x}:

  • Domain: The domain is x0x \geq 0 (just like the basic square root function).
  • Starting point: The graph starts at the origin (0,0)(0, 0).
  • Shape: The graph increases more rapidly than y=xy = \sqrt{x} due to the compression by a factor of 13\frac{1}{\sqrt{3}}.

This transformation results in a graph that is steeper compared to y=xy = \sqrt{x}, which is consistent with what you've shown in the image.

Would you like further details or have any questions about the transformation process?

Related questions to explore:

  1. How does the graph of p(x)=3xp(x) = \sqrt{3x} change if the coefficient of xx inside the square root was 2 instead of 3?
  2. How would the graph of p(x)=xp(x) = \sqrt{x} behave if we had a negative coefficient inside the square root, such as p(x)=xp(x) = \sqrt{-x}?
  3. How would the graph change if there was a vertical shift involved, like in p(x)=3x+2p(x) = \sqrt{3x} + 2?
  4. How does the function p(x)=3xp(x) = \sqrt{3x} compare to p(x)=3xp(x) = 3\sqrt{x}?
  5. What are the effects of other transformations like reflections and stretches on the square root function?

Tip: Always analyze the function inside the square root first (for horizontal shifts or stretches) and then any external changes like vertical shifts or reflections.

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Math Problem Analysis

Mathematical Concepts

Function Transformations
Square Root Functions
Horizontal Compression

Formulas

y = √x
y = √(ax) results in horizontal compression/stretch

Theorems

Function transformation principles

Suitable Grade Level

Grades 9-12