Answer: solving for x would be x ≤ 3
Step-by-step explanation:
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Answer: The correct option is second.
Explanation:
The given function is,
![f(x)=5(0.8)^x](https://tex.z-dn.net/?f=f%28x%29%3D5%280.8%29%5Ex)
If we graph a function is f(x), then its coordinates is defined as (x,f(x)).
When the graph of f(x) is reflect across the x-axis, then the the x-coordinate remains the same and the sign of y-coordinate is changed. It means after reflecting across the x-axis,
![(x,y)\rightarrow(x,-y)](https://tex.z-dn.net/?f=%28x%2Cy%29%5Crightarrow%28x%2C-y%29)
The given given equation can be written as,
![y=5(0.8)^x](https://tex.z-dn.net/?f=y%3D5%280.8%29%5Ex)
To find the equation of the graph after reflection across the x-axis multiply both sides by -1.
![-y=-5(0.8)^x](https://tex.z-dn.net/?f=-y%3D-5%280.8%29%5Ex)
Because f(x)=y and g(x)=-y.
![g(x)=-5(0.8)^x](https://tex.z-dn.net/?f=g%28x%29%3D-5%280.8%29%5Ex)
Therefore the second option is correct and the graph of both function is given below.
Answer:
Step-by-step explanation:
A horizontal line is only concerned with the y value. The equation is y = 10 because that is the point that the line must go through.
The x value does not matter as long as the y value is given as 10. The domain is any real value. The range is 10
The answer is 28
Hope this helped
Answer:
9x + 5y + -84 . (3x) + y = -18
Step-by-step explanation: