Understanding g(x) = -5x + 17

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Questions and Answers

For the function $g(x) = -5x + 17$, which statement regarding its intercepts is correct?

  • The x-intercept is $\frac{17}{5}$ and the y-intercept is 17. (correct)
  • The x-intercept is 0 and the y-intercept is 17.
  • The x-intercept is 17 and the y-intercept is 0.
  • The x-intercept is 17 and the y-intercept is $\frac{17}{5}$.

Given the function $g(x) = -5x + 17$, how does the graph change if the function is transformed to $g(x) = -5x + 3$?

  • The graph shifts 14 units downwards. (correct)
  • The graph shifts 14 units upwards.
  • The graph shifts 3 units to the left.
  • The graph shifts 3 units to the right.

Which of the following describes the domain and range of the function $g(x) = -5x + 17$?

  • Domain: all real numbers, Range: $g(x) \geq 17$
  • Domain: all real numbers, Range: all real numbers (correct)
  • Domain: $x \geq 0$, Range: all real numbers
  • Domain: $x \geq 17$, Range: $g(x) \geq 0$

How does increasing the coefficient of $x$ in the function $g(x) = -5x + 17$ to -1 affect the slope of the line?

<p>The slope becomes less steep. (D)</p> Signup and view all the answers

Given $g(x) = -5x + 17$, evaluate $g(g(1))$.

<p>-43 (C)</p> Signup and view all the answers

Which of the following equations is parallel to $g(x) = -5x + 17$?

<p>$f(x) = -5x + 10$ (B)</p> Signup and view all the answers

Which of the following transformations will result in the new function $f(x) = 5x + 17$ based on the original function $g(x) = -5x + 17$?

<p>Reflection across the x-axis. (C)</p> Signup and view all the answers

Suppose $g(x) = -5x + 17$ represents the cost of producing $x$ items. What does the 17 represent?

<p>The fixed costs, regardless of the number of items produced. (C)</p> Signup and view all the answers

How does changing the function from $g(x) = -5x + 17$ to $h(x) = -5(x - 2) + 17$ affect the graph?

<p>The graph shifts 2 units to the right. (B)</p> Signup and view all the answers

If $g(x) = -5x + 17$, for what value of $x$ does $g(x) = 0$?

<p>$x = \frac{17}{5}$ (A)</p> Signup and view all the answers

Flashcards

What is the domain of a function?

The possible input values for a function.

What is the range of a function?

The possible output values of a function.

What is the x-intercept?

The point where a line crosses the x-axis (where y=0).

What is the domain of a linear function?

For a linear function, it's the set of all real numbers.

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What is the range of a linear function?

For a linear function, the result are all real numbers.

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The x-intercept of g(x) = -5x + 17 is 17. True or false?

The x-intercept is the value of x when g(x) = 0. Solve -5x + 17 = 0 for x to find the x-intercept, it's therefore not 17.

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Study Notes

  • The function g(x) = -5x + 17 to is used to answer the questions.
  • Determine the three correct statements about g(x).
  • The x-intercept of g is 17 is not true
  • The range of g includes all real numbers and is true.
  • "The value for x is the output for g," is not true.
  • The domain of g includes all real numbers and is true.
  • The graph of g is the graph of y = -5x + 17 and is true.

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