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Thepotemich [5.8K]
2 years ago
10

Let g(x) be the reflection of f(x) in the x-axis. What is the function rule for g(x)? Let g(x) be the reflection of f(x) = 3x +

12 in the x-axis. What is a function rule for g(x)?
A. g(x) = -3x + 12
B. g(x) = 3x + 12
C. g(x) = -3x - 12
D. g(x) = 3x - 12
Mathematics
1 answer:
goblinko [34]2 years ago
8 0
Reflection rule in the x-axis:
g(x) = - f(x)

f(x) = 3x+12
g(x) = - f(x) = -3x-12

The correct choice is option (C)
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Answer: hello your question is incomplete attached below is the complete question

answer :

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Step-by-step explanation:

<u>a) Using integration with respect to x </u>

Area =   \int\limits^7_4 {(y-4)} \, dy + \int\limits^a_7 {(10-y)} \, dy         ( note a = 10 )

          = y^2/2 - 4y |⁷₄  + 10y - y^2/2 |¹⁰₇

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hence the best integral from the options attached is option D

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= [ 10x - x^2 /2 - x^2/2 - 9x ] ³₀

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2 years ago
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Answer:

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