Use the image to answer the question.

Two side-by-side shaded ovals labeled x and y each display a list of values. Four arrows point from the values in the left oval, x, to the values in the right oval, y.

Which equation describes the function shown in the mapping diagram?

(1 point)
Choose One Of The Responses Closest To The Answer

f(y)=12x−8
f left parenthesis y right parenthesis equals Start Fraction 1 over 2 End Fraction x minus 8

f(x)=12x−8
f left parenthesis x right parenthesis equals Start Fraction 1 over 2 End Fraction x minus 8

f(x)=8x−12
f left parenthesis x right parenthesis equals 8 x minus Start Fraction 1 over 2 End Fraction

f(y)=8x−12
f left parenthesis y right parenthesis equals 8 x minus Start Fraction 1 over 2 End Fraction

1 answer

To determine the correct equation that describes the function shown in the mapping diagram, we would usually analyze the relationship between the values in the x oval and the values in the y oval based on the arrows connecting them.

For your question, we need to infer the relationship between x and y based on the options provided.

If we assume that the arrows indicate that each value in x is transformed to a corresponding value in y through a mathematical function, let's consider the form of the equations:

  • The options with \( f(x) \) suggest that y is a function of x.
  • The options with \( f(y) \) imply that y itself is being used to express x, which is less common in standard function notation but possible.

Given common function forms:

  1. Linear transformation functions would typically be represented as \( f(x) = mx + b \), where \( m \) is the slope and \( b \) is the y-intercept.

Assuming we want to express y in terms of x, the most common forms would include using x directly in the function.

Looking at the choices:

  1. \( f(x) = 12x - 8 \)
  2. \( f(x) = \frac{1}{2}x - 8 \)
  3. \( f(x) = 8x - \frac{1}{2} \)
  4. \( f(y) = 8x - \frac{1}{2} \)

Since we are looking for a relationship that directly uses x to determine y, and given the potential functions could fit based on a standard linear relationship, a reasonable assumption would lead us towards the second option:

f(x) = \frac{1}{2}x - 8

Please double-check your particulars about the mapping and scaling from values in x to y based on the diagram for precise determination, but given the nature of the answers, this seems to be a plausible candidate.

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