Math Problem Statement

Find the domain and range of the function whose graph is on the right.

Solution

To analyze the graph and determine the domain and range, let's break it down:

Domain

  • The domain refers to all possible xx-values for which the function is defined.
  • From the graph, we can see the function starts at x=7x = -7 and ends at x=8x = 8, but there seems to be a gap in the graph between x=1x = -1 and x=2x = 2.
  • Therefore, the domain consists of two intervals: [7,1][-7, -1] and [2,8][2, 8].

The correct choice for the domain is C: [7,1][-7, -1] and [2,8][2, 8].

Range

  • The range refers to all possible yy-values the function can take.
  • Looking at the graph, the lowest point of the function is at y=6y = -6 and the highest is at y=8y = 8.
  • This means the range of the function is from y=6y = -6 to y=8y = 8, inclusive.

The correct choice for the range is C: [6,8][-6, 8].

Would you like further clarification on any of these points?

Related Questions:

  1. What is the difference between domain and range?
  2. How do you determine if a function has gaps in its domain?
  3. What types of functions typically have restricted domains?
  4. How can you determine the range of a function from a graph?
  5. Can a function have the same domain but a different range?

Tip:

Always check for discontinuities or gaps in the graph when determining the domain of a function.

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Math Problem Analysis

Mathematical Concepts

Functions
Piecewise Functions
Domain and Range

Formulas

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Theorems

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Suitable Grade Level

Grades 9-11