Is the relation a function? Explain
1 answer:
Hi there!
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I believe your answer is:
No, it is not a function.
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Here’s why:
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- If we preform a vertical line test on the graph, then the line would pass the relation multiple times. This means that it is not a function.
- See the picture attached.
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Hope this helps you. I apologize if it’s incorrect.
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Answer:
see explanation
Step-by-step explanation:
Given the 2 equations
x + y = 1 → (1)
ax - by = c → (2)
In (1) subtract y from both sides
x = 1 - y → (3)
Substitute x = 1 - y into (2)
a(1 - y) - by = c ← distribute left side
a - ay - by = c ( subtract a from both sides )
- ay - by = c - a ( multiply through by - 1 )
ay + by = a - c ← factor out y from each term on the left side
y(a + b) = a - c ← divide both sides by (a + b)
y = ← substitute into (3)
x = 1 - =
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=
=