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
1 answer:
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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