Relating Domain of a Function to its Graph F.IF.5 Grade 11 ACTASPIRE Practice Test Questions TOC | Lumos Learning

Relating Domain of a Function to its Graph F.IF.5 Question & Answer Key Resources Lumos StepUp High School Integrated Mathematics 1 - Workbooks and Online Assessments

Lumos StepUp High School Integrated Mathematics 1 - Workbooks and Online Assessments Relating Domain of a Function to its Graph

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The function \(f(x)= -\frac{1}{20}(x-5)^3+\frac{1}{20}(x^2+4)\) is the formula for the height and slope of a training ski slope for small children. Its graph is shown below. The ski slope begins with a height of meters and has a length of more than decameters. The parents of the children stated that the slope is too steep at the bottom end and want the slope to stop at a height of 5 meters to be safer. What is the domain of the function to ensure the safety the parents want?

  1. [0, 10]
  2. [-1, 11]
  3. (-∞, ∞)
  4. [0, 9]

Highlight the correct answer choice.


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