haelleydorethy
06.06.2021 •
Mathematics
To solve the equation - 30 + 9x = -0.5x2 – 11 – 2, Draymond let f (x) = -30 + 9x and
g(x) = -0.5 2 - 11 – 2. Then, he graphed y = f (x) and y = g(x) as shown .
y
31
IL
y = f(x)
21
-3 -2 -1 0
2
-X
3 4 5 6 7 8
-2
-5
-6
y = g(x)
8
Based on the graph, what is the solution set to the equation - 30 + 9x = -0.52|x – 11 – 2?
The solution set to the equation is {
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Ответ:
The highlighted part is called Ray.
By the way, In geometry, a ray can be defined as a part of a line that has a fixed starting point but no endpoint.