Math Problem Statement

Which is the graph of f(x) = √x?

Solution

The graph shown in the image is incorrect for the function f(x)=xf(x) = \sqrt{x}. The function x\sqrt{x} is only defined for x0x \geq 0, and its graph has the following properties:

  1. The graph starts at the point (0,0)(0, 0) because 0=0\sqrt{0} = 0.
  2. It increases slowly to the right, forming a curve that is only in the first quadrant.
  3. The curve never goes below the x-axis and does not exist in the negative x-values.

In the image, the graph appears to be a parabola, which is the wrong shape. A parabola typically represents quadratic functions such as f(x)=x2f(x) = x^2, but not f(x)=xf(x) = \sqrt{x}.

If you were looking for the correct graph of f(x)=xf(x) = \sqrt{x}, it would:

  • Start at the origin and curve upward, only extending into the first quadrant.

Do you want further details or have any other questions about this graph?

Here are 5 follow-up questions:

  1. How do you graph the function f(x)=xf(x) = \sqrt{x} step by step?
  2. What are the domain and range of the function f(x)=xf(x) = \sqrt{x}?
  3. How does f(x)=xf(x) = \sqrt{x} differ from quadratic functions like f(x)=x2f(x) = x^2?
  4. Can negative values be part of the input for f(x)=xf(x) = \sqrt{x}? Why or why not?
  5. What transformations can be applied to the square root function to change its graph?

Tip: When graphing radical functions, always check the domain, as they might not be defined for certain values of xx.

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Math Problem Analysis

Mathematical Concepts

Functions
Radical Functions
Square Root Functions
Domain and Range

Formulas

f(x) = √x

Theorems

Definition of Square Root Function
Properties of Radical Functions

Suitable Grade Level

Grades 8-10