Unit 1 Practice Test
This is a practice test for Mrs. Rhinehart, Mrs. Rucker and Mrs. Gee's Math1 Unit 1 Test.
- 1.Given f(x) = -2x2 , evaluate f(-3).
- A.
18
- B.
36
- C.
-18
- D.
-36
- 2.The function c(m) = .25m + 10, represents the total monthly cost for a cell phone, where m represents the number of minutes used. What is the dependent quantity?
- A.
Number of Minutes
- B.
Total monthly cost
- C.
Cost per minute
- 3.
![This function is a graph of which of the following types of functions? - ProProfs]( "This function is a graph of which of the following types of functions?")
This function is a graph of which of the following types of functions?- A.
Linear
- B.
Absolute Value
- C.
Quadratic
- D.
Cubic
- E.
Square Root
- 4.Describe the transformations from the parent function to h(x) = -2(x - 3)3 .
- A.
Shift down, Stretch, then a Reflection across the y-axis
- B.
Shift right, Shrink, then a Reflection across the x-axis
- C.
Shift left, Shrink, then a Reflection across the y-axis
- D.
Shift right, Stretch, then a Reflection across the x-axis
- 5.Which of the functions below is the correct function for the parent linear function that has been reflected across the y-axis and shifted up 5?
- A.
F(x) = x + 5
- B.
F(x) = -x + 5
- C.
F(x) = -x - 5
- D.
F(x) = x -5
- 6.Which of the following is the correct description for the end behavior of f(x) = -(x)2 + 3?
- A.
Both arms reach up
- B.
Both arms reach down
- C.
Right arm reaches up, Left arm reaches down
- D.
Right arm reaches down, Left arm reaches up
- E.
One arm reaches right
- 7.A set of functions with similar characteristics is the definition of . . .
- A.
Parent Function
- B.
Domain
- C.
Family of Functions
- D.
Range
- 8.True/False: The function f(x) = x3 has a maximum at (0, 0).
- A.
True
- B.
False
- 9.Given the sequence 0, 1, 3, 6, 10, . . ., find S(7).
- A.
21
- B.
15
- C.
7
- D.
0
- 10.Using the table below, find the rate of change when x changes from -2 to 1.x -2 -1 0 1 2f(x) -6 1 2 3 10
- A.
-3
- B.
1/3
- C.
-1/3
- D.
3
- 11.The function g(x) = 10x represents the total profit from selling t-shirts, where x is the number of t-shirts sold. Find the rate of change when the number of t-shirts increases from 3 to 10.
- A.
7
- B.
10
- C.
70
- D.
5
- 12.Which of the following is the correct slope and y-intercept for the linear function f(x) = -5x + 8?
- A.
Slope = -5, y-intercept = 8
- B.
Slope = 8, y-intercept = -5
- C.
Slope = 5, y-intercept = 8
- D.
Slope = -8, y-intercept = 5
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