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11 July, 22:26

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

+2
Answers (2)
  1. 11 July, 23:32
    0
    I think it'd be C ...
  2. 12 July, 02:23
    0
    Reflection across the y axis means multiply the whole function by - 1

    so

    f (x) = 3x+12

    times - 1

    g (x) = - 3x-12 is the answer

    answer is C

    not sure why you put an arrow to choice A, but it's wrong

    C is the right answer
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Home » Mathematics » 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.
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