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Brums [2.3K]
2 years ago
14

If f(x) = 2x ^ 2 - 5 and g(x) = x ^ 2 - 4x - 8 find (f - g)(x)

Mathematics
1 answer:
choli [55]2 years ago
5 0

Answer:  (f-g)(x) is equivalent to f(x) - g(x)

So that would be (2x²-5) - (x²-4x-8) = 2x² - x² + 4x + 8 - 5 = x² + 4x + 3

Hope this helps.

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Read 2 more answers
Find the point where the line crosses the x-axis. y = –5x + 5
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Every point on the x-axis has y-coordinate 0.
Let y = 0, and solve for x.

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0 = -5x + 5

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x = 1

The line crosses the x-axis at x = 1.
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