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Sveta_85 [38]
2 years ago
5

Use the graph to determine which statement describes f(x)

Mathematics
1 answer:
djverab [1.8K]2 years ago
6 0

Answer:

f(x) does not have an inverse function, because its graph fails the horizontal line test. ⇒ A

Step-by-step explanation:

The vertical line test is used to show that the graph represents a

function or not

  • If the vertical line crosses the graph in more than one point, then the graph does not represent a function
  • If the vertical line crosses the graph in only one point in different positions, then the graph represents a function

The horizontal line test is used to show that the function has an

inverse or not

  • If the horizontal line crosses the graph of a function in more than one point, then the function has no inverse
  • If the horizontal line crosses the graph of a function in only one point in different positions, then the function has an inverse

Let us look at the given graph

→ The graph represents a parabola, which represents the function f(x)

∵ Any horizontal line drawn will cross the graph in more than one point

∴ f(x) has no inverse

∴ f(x) does not have an inverse function, because its graph fails the

  horizontal line test.

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