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maxherman
18.08.2020 •
Mathematics
F(x)= -5x+9 ; reflection in the y-axis a.g(x)=5x-9 b.g(x)=5x+9 c.g(x)=9x-5 d.g(x)=5x-5
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Ответ:
Explanation:
When we reflect over the vertical y axis, every negative x value becomes positive and vice versa. So we effectively replace x with -x like so
f(x) = -5x+9
f(-x) = -5(-x)+9 ... replace every x with -x
f(-x) = 5x+9
g(x) = 5x+9
A point like (1,4) on f(x) will reflect over to (-1,4) on g(x). If we apply this to every point on f(x), then all of f(x) will reflect to g(x).
Ответ:
Step-by-step explanation:
Step Statements Reasons
1.
Given
2.
Distributive property
3.
Combine like terms
4.
Subtraction property of equality
5. -6 = x Multiplication property of equality
6. x = -6 Symmetric property