Algebra 2 – Post-test Assessment 4
Algebra 2 – Post-test Assessment 4
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Use the information provided to answer Part A and Part B for question 1.
The London Eye, a Ferris wheel in England, has a diameter of 120 meters. The wheel completes a full rotation in 30 minutes to allow passengers to enter a capsule at the base of the Ferris wheel without stopping the wheel. At the highest point, a capsule reaches a height of 135 meters above the ground.
Given the situation, what is the value of A?CorrectIncorrect
Consider a capsule that begins its rotation at the base of the London Eye. For the times listed, how many minutes after the rotation begins will the capsule be 45 meters above the ground? Select all that apply.CorrectIncorrect
Use the information provided to answer Part A and Part B for question 3.
To investigate housing needs in the future, a town planning committee created a model to help predict the growth of the population of the town. The committee created a model based on data about the population of the town for five years. The data are shown in the table.
Which model for the data P(t), the population of the town t years after 1985, best fit the data.CorrectIncorrect
Consider the value predicted by the model for the year 2010. Which statement is true?CorrectIncorrect
Use the information provided to answer Part A and Part B to question 4.
What is the y-intercept of the graph of the function in the xy-coordinate plane?CorrectIncorrect
What is the end behavior of the graph of the function?CorrectIncorrect
How many relative maximums does the function have?CorrectIncorrect
Use the information provided to answer Part A and Part B for question 5.
The manager of food services at a local high school is interested in assessing student opinion about a new lunch menu in the school cafeteria. The manager is planning to conduct a sample survey of the student population.
Which of the listed methods of sample selection would be the most effective at reducing bias?CorrectIncorrect
The manager wants to know if a student’s gender is related to the student’s opinion about the menu. Which statement best describes the study?CorrectIncorrect
Use the information provided to answer Part A and Part D for question 6.
When approximating the age of an artifact that is less than 40,000 years old, the radioisotope carbon-14 can be used. Carbon-14 is an element with the property that every 5,730 years the mass of the element in a sample is reduced by half.
The mass of the carbon-14 in an artifact can be modeled by an exponential function, m, of its age x.
Let A represent the original mass of carbon-14. Which function is an appropriate model?CorrectIncorrect
Based on the situation, which interval represents the domain of the function m?CorrectIncorrect
Which statements describe the graph of m in the coordinate plane? Select all that apply.CorrectIncorrect
At what age would the mass of carbon-14 in an artifact be one-fourth the original amount?CorrectIncorrect