Function Operations Answers
15 verified answers
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Option
B
Option
1
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r(x) = –x² + 3x s(x) = 2x + 1(s – r)(x) =
A
–x² + 3x – 2x + 1B
(–x² + 3x) – (2x + 1)C
(2x + 1) – (–x² + 3x)D
2x + 1 – x² + 3x1
Profit function: P(x) =
A
67x + 12B
67x – 12C
53x + 12D
53x – 121
What is f(x) + f(x) + f(x)?
A
(f(x))³B
f(x) + 3C
3f(x)1
Domain of g:
A
>= 0B
x >= 6C
All real numbers2
Question text not available
A
Option
B
Option
C
Option
2
Range of g:
A
x >= 0B
>= 6C
All real numbers2
(s – r)(x) =
A
–x² + x – 1B
–x² + 5x – 1C
x² + 5x + 1D
x² – x + 12
What did you include in your answer?
A
Variables represent real numbers, so they should have their properties.B
Commutative property applies for multiplication.C
Commutative property does not apply for division.2
What is the profit earned from selling 20 video games?
A
$1048B
$1072C
$1352D
$13282
3f(x) =
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3xB
3x²C
x² + 33
Domain of g + k:
A
x >= 0B
>= -6C
All real numbers4
If the opposite of g(x) is –g(x), then –g(x) =
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–x – 6B
–x + 6C
+ 64
Range of g + k:
A
y >= 0B
y >= -6C
All real numbers5
g(x) + (–g(x)) =
A
2g(x)B
–2g(x)C
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