Answers25-26 Summer - Humble ISD CR - Algebraic Reasoning B - 4th Nine WeeksAnalyzing Compositions of Functions
Modeling with Functions Answers
3 verified answers
1
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If and , what is?
A
= 3x + 1
B
= x – 3
C
= 3x
D
= x
2
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If , , and , what is ?
A
mc011-5.jpg
B
mc011-6.jpg
C
mc011-7.jpg
D
mc011-8.jpg
3
If and , which of the following is the graph of ?
A
mc007-4.jpg
B
mc007-5.jpg
C
mc007-6.jpg
D
mc007-7.jpg
4
If f(x) = x + 4 and , what is ?
A
mc005-3.jpg
B
mc005-4.jpg
C
mc005-5.jpg
D
mc005-6.jpg
5
If f(x) = 2x and , what is the domain of ?
A
mc015-3.jpg
B
all real numbers except x = 0C
mc015-4.jpg
D
all real numbers6
If f(x) = 3x and , what is the domain of ?
A
mc016-3.jpg
B
all real numbers except x = 0C
mc016-4.jpg
D
all real numbers7
Let f(x) = x + 1 and . The graph of is shown below. What is the range of ?
A
all real numbers except y = –1B
all real numbers except y = 0C
all real numbers except y = 1D
all real numbers8
If f(x) = 3x and , what is ?
A
= 5x
B
= 5x2
C
= 6x
D
= 6x2
9
Let and . What are the domain and range of ?
A
domain: x > 0range: y > 0B
domain: x > 6range: y > 0C
domain: all real numbersrange: y > 6D
domain: all real numbersrange: all real numbers10
If f(x) = x and g(x) = 2, what is ?
A
= 2x
B
= 2
C
= x + 2
D
=
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