MATH-A Exam [E-25YCJ1] SOL Review functions

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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

Transcript of MATH-A Exam [E-25YCJ1] SOL Review functions

Page 1: MATH-A Exam [E-25YCJ1] SOL Review functions

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

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2 Which relation is a function?

A (-3, 3), (5, 5), (-3, 2), (5, 3) C

B D

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3 Which of the following graphs appears to be a function?

A C

B D

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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)

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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)

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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 )

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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

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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

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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

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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

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What is the domain of the function?

A

B

C

D

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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.

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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

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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

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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

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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,∞)

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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