AnswersTX-Pre-CalculusFunctions and Their Properties

Functions and Their Properties — Unit test Answers

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Use symmetry to graph the inverse of the function.a.c.b.d.

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D
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State whether the function is bounded above, bounded below, or bounded. y = 2x

A
bounded above
B
bounded below
C
bounded
3

Find the range of the function.

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[5, )
B
(-, -1)U(-1, 1)U(1, +)
C
(-, 10]
D
(-, -1) U [0, )
4

Given find . a. c. b. d. Please select the best answer from the choices provided

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C
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D
5

Given and , find (x) and its domain.a.b., all real numbersc., d.None of these

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C
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D
6

Find the indicated values, where and .

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1
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3
C
30
D
-1
7

Given find .a.c.b.d.

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C
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D
8

Find where: a. c. 10 b. d. 1210 Please select the best answer from the choices provided

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D
9

Determine the domain of the function a.c.b.d.

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D
10

Which of the following graphs is a function?a.c.b.d.

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D
11

Find the domain of the function: a. c. b. d. Please select the best answer from the choices provided

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A
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C
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D
12

Find .

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1
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0
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-8
D
-1
13

Find (fg)(x).f(x) = 4x2 + x4g(x) = a.c.b.d.

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14

Which of the following graphs is a function?a.c.b.

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C
15

Which graph represents an even function?

A
A coordinate plane has 5 points. The points are (negative 6, negative 4), (negative 4, 2), (2, 4), (4, negative 2), (6, 2).
Option A
B
A coordinate plane has 7 points. The points are (negative 3, negative 6), (negative 2, negative 4), (negative 1, negative 2), (0, 0), (1, 2), (2, 4), (3, 6).
Option B
C
A coordinate plane has 7 points. The points are (negative 5, 2), (negative 4, 1), (negative 3, 3), (negative 2, 5), (2, negative 2), (3, negative 5), (4, negative 6).
Option C
D
A coordinate plane has 7 points. The points are (negative 4, negative 3), (negative 3, negative 5), (negative 2, 1), (0, 0), (2, 1), (3, negative 5), (4, negative 3).
Option D

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