Directions: Answer questions 1- 37 independently (Please do not help others or cheat.) If you complete this assessment today please work on B-day ALEKS.
Consider the pattern.
Which recursive formula represents the sequence that represents the pattern?
Question 2
2.
Which function is modeled in this table?
Question 3
3.
Which explicit formula describes the pattern in this table?
Question 4
4.
Which statement BEST describes the graph of f(x + 6)?
Question 5
5.
If
which expression gives f(x)?
Question 6
6.
The function f(x) = 3x – 9 is shifted 2 units up. Which equation correctly describes the new function?
Question 7
7.
A quadratic function is shown.
What is the factored form of f(x) that reveals the zeros of the function?
Question 8
8.
What is the equivalent form of
that reveals the minimum value of the function?
Question 9
9.
Use this table to answer the question.
What is the average rate of change of x over the interval –2 ≤ x ≤ 0?
Question 10
10.
What is the end behavior of the graph of
Question 11
11.
Which of these is an even function?
Question 12
12.
Which statement BEST describes how the graph of
compares to the graph of
Question 13
13.
Use this graph to answer the question.
Which function is shown in the graph?
Question 14
14.
The function
models the height of a ball that was hit into the air, where t is measured in seconds and h is the height in feet. This table represents the height, g(t), of a second ball that was thrown into the air.
Which statement BEST compares the length of time each ball is in the air?
Question 15
15.
A certain population of bacteria has an average growth rate of 2%. The formula for the growth of
the bacteria’s population is
is the original population and t is the time in hours. If you begin with 200 bacteria, about how many bacteria will there be after 200 hours?
Question 16
16.
Look at the graph.
Which equation represents this graph?
Question 17
17.
The function graphed on this coordinate grid shows f(x), the height of a dropped ball, in feet, after its xth bounce.
On which bounce was the height of the ball 10 feet?
Question 18
18.
A population of squirrels doubles every year. Initially, there were 5 squirrels. A biologist studying the squirrels created a function to model their population growth:
where t is the time in years. The graph of the function is shown.
Which values best describe the range of the population?
Question 19
19.
Which function represents this sequence?
Question 20
20.
The points (0, 1), (1, 5), (2, 25), and (3, 125) are on the graph of a function. Which equation represents that function?
Question 21
21.
The function f(x) is graphed below.
Which graph shows f(x) + 2?
Question 22
22.
Which function shows the function f(x) = 3x being translated 5 units down?
Question 23
23.
Which scatter plot BEST represents a model of linear growth?
Question 24
24.
Which scatter plot BEST represents a model of exponential growth?
Question 25
25.
Which table represents an exponential function?
Question 26
26.
A table of values is shown for f(x) and g(x).
Question 27
27.
Which statement is true about the graphs of exponential functions?
Question 28
28.
Which statement BEST describes the comparison of the function values for f(x) and g(x)?
Question 29
29.
If the parent function is f(x) = mx + b, what is the value of the parameter m for the line passing
through the points (–2, 7) and (4, 3)?
Question 30
30.
Consider this function for cell duplication. The cells duplicate every minute.
Question 31
31.
What is the y-intercept of the graph of
Question 32
32.
What is the range of the graph of f(x) = –3(x – 4)?
Question 33
33.
Which function is modeled in this table?
Question 34
34.
If f(12) = 4(12) – 20, which function gives f(x)?
Question 35
35.
Which function has a range of
Question 36
36.
1. A sample of 1,000 bacteria becomes infected with a virus. Each day, one-fourth of the bacteria sample dies due to the virus. A biologist studying the bacteria models the population of the bacteria with the function
What is the range of this function in this context?
Question 37
37.
The graph shows the height, y, in meters, of a rocket above sea level in terms of the time, t, in seconds, since it was launched. The rocket landed at sea level.
What does the x-intercept represent in this situation?