math-a exam [e-25ycj1] sol review functions
TRANSCRIPT
MATH-A
SOL Review functions
Exam not valid for Paper Pencil Test Sessions
[Exam ID:25YCJ1
1 Which graph appears to show a relationship that is NOT a function?
A C
B D
2 Which relation is a function?
A (-3, 3), (5, 5), (-3, 2), (5, 3) C
B D
3 Which of the following graphs appears to be a function?
A C
B D
4 Which of the following graphs appears to be a function?
A C
B D
5 Choose all of the ordered pairs that will allow for the following relation to remain a function:
(3, -2), (-4, -1), (5, 0), (6, 1), (-2, -2)........
(3, 2)(-3, -2)
(1, 5)(0, 5)(-4, 4)
6
Which elements can replace the missing values to create a relation that is NOT a function?
A
B
C
D
7 Look at the set of ordered pairs.
If the ordered pair (6, -1) was added to each set shown, which set would remain a function?A Set 3B Set 4C Set 1D Set 2
8 The ordered pairs in the sets shown below are of the form (x, y ). In which set of
ordered pairs is y a function of x ?A (1, -1), (2, -1), (3, -3) B (0, 1), (1, -1), (1, 0) C (0, -5), (0, 4), (0, 5) D (-3, 4), (1, -9), (1, 4)
9 Each of the following tables contains elements of an (x, y ) relationship. Which table
contains four points that cannot lie on the graph of a function of x ?
A
B
C
D
10 Directions: Type your answer in the box.
Look at the graph of ordered pairs. Identify one of the graphed ordered pairs that make this relation NOT a function.(3, 2) (3,2) ( 3 , 2 ) (3,-4) (3, -4) (3, - 4) ( 3 , - 4 )
11 Directions: Click on a box to choose each relation that you want to select. You need to select all correct relations.
Identify each relation that appears to be a function.
(1, 2);(7, 2);(-4, 2);(-5, 2) Vertical Line
(1, 2);(2, 3);(1, 4);(2, 5) Horizontal Line
12
The following graph shows a relation.
Which of the following best describes the range of this relation?A All real numbersB All real numbers between -10 and 10C All real numbers less than or equal to -4D All real numbers greater than or equal to -4
13 Which represents the zero(s) of f (x ) = 100x 2 - 9 ?
A x = - and x = 3 10
3 10
B x = 0 and x = 3 10
C x = 3 10
D x = - and x = 03 10
14 Which equation could represent a graph with x-intercepts of (4, 0) and (-7, 0)?
A y = x2 + 3x - 28B y = x2 - 3x + 28C y = x2 + 3x + 28D y = x2 - 3x - 28
15 Which number is a zero of the function h ?
h (x ) = x 2 + 3x - 18
A -6B -3C 0D 6
16 Which of these functions has exactly two different zeros?
A f (x ) = x + 41 10
B g (x )= 3x - 10 3
C h (x )=x 2 - 4x + 4D k (x ) = x 2 + 11x + 24
17
What is the domain of the function?A B C D
18 What is the range of the function
f (x ) = (x - 1)2
when the domain is -5, 0, 5?A -12, -2, 8B 1, 16, 36C 1, 24D 1, 26
19
What is the domain of the function?
A
B
C
D
20 What is the range of this relation?
A -2 , 2 , 5 B -2 , 1 , 2 , 3 , 4 , 5 , 6 C 2 , 5 D 1 , 3 , 4 , 6 E none of these options
21 The following graph shows a relation.
Which of the following best describes the range of this relation?
A All real numbers less than or equal to -4.B All real numbers.C All real numbers greater than or equal to -4.D All real numbers between -10 and 10.
22 Directions: Click on a box to choose each ordered pair you want to select. You must select all correct ordered pairs.
Using the ordered pairs shown, select each relation containing three ordered pairs with a domain of -1, 2, 4 .
(-3, -1) (4, -2)
(-1, 0) (3, 4)(-2, 2) (2, 3)
23 Which number is NOT an element in the domain of this relation?
(-2, 3), (0, 4), (1, 1), (6, 0)
A 4B 1C 0D -2
24 If f (x ) = (x -3)2 + 1, what is f (6) ?
A -2B 7C 10D 16
25 For every dollar that Stacy earns, her dad deposits twice that amount into a savings
account for her. Which graph illustrates this example of direct variation?
A C
B D
26 Given the points (1, -3), (-4, -2), (-1, 4), (10, 10), what is the domain of this
relation?A -4, -3, -2, 10B -4, -1, 1, 10C -3, -2, 4, 10D -3, -2, 1, 10
27
If y varies directly as x and the constant of variation is , which equation
represents this relationship?
1 4
A y = 4 x B y = 4x
C y = x + 1 4
D y = x1 4
28 What is f (-8) for the function f ?
f (x ) = 11(x - 24)
2 A -56B -88C -176D -352
29 What is the range of the equation y = 2x + 1 with the domain –3, 5, 9?
A –3, 5, 9B –5, 11, 19C –6, 10, 1D –2, 2, 4
30 If f (x ) = 3x 2 + 2x - 1, what is f (0) ?
A -1B 1C 0D 4
31
What is the range of the function?A B C D
32 Find the range of the function graphed below.
A (0,∞]B (-∞,∞)C [0,5]D [0,∞)
33
The graph shows the height, h, in feet, of water sprayed from a fountain as a function of the horizontal distance, d, in feet, the water has traveled.
What is the domain of the function described in the graph?
A All whole numbers less than or equal to 16B All whole numbers less than or equal to 18
C All non-negative real numbers less than or equal to 16
D All non-negative real numbers less than or equal to 18
34 Which number is NOT an element in the domain of this relation?
(-2, 3), (0, 4), (1, 1), (6,0) A 1B 0C -2D 4