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krystlemiller4307
26.02.2020 •
Mathematics
X=2y-4, 5x-6y=-8 I need to solve this using the substitution method
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Ответ:
x = 2
y = 3
Step-by-step explanation:
x = 2y - 4
5x - 6y = -8
Substitute for x.
5(2y - 4) - 6y = -8
10y - 20 - 6y = -8
4y - 20 = -8
4y = -8 + 20
4y = 12
y = 12 ÷ 4
y = 3
x = 2y - 4
x = 2(3) - 4
x = 6 - 4
x = 2
Ответ:
The graph of g(x) will eventually exceed the graph of f(x).
Step-by-step explanation:
Since f(x) is linear and g(x) is exponential, g(x) will eventually exceed f(x). You can see it start to do so at the top of your graph.