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elixir [45]
2 years ago
6

PLEASE HELP ASAP start off by restating: Historians know about the past before there were written records by studying artifacts

Mathematics
1 answer:
geniusboy [140]2 years ago
3 0
Both archaelogists and historians use sources and evidence to learn about the past. Archaeologists learn about the past by studying artefacts. Historians find out about the past by studying written sources (ie what people wrote). Written sources are stored in an archive.
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What is the inverse of f(x) = 2x − 8?
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Andrews [41]

Answer:

Zeros : 1 , -1, 3

Degree : 4

End Behaviour : At x-> ∞ f(x) -> ∞ and x->-∞ f(x) -> ∞

Y - intercept : -3

Extra Points: (0,-3), (2,-3)

Step-by-step explanation:

f(x) = 0 to find the zeros

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Here 1 is a repeating root as it is (x-1)²

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Clearly f(x)>0 as all terms are positive and f(x)->∞

Similarly when x->-∞

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Y-Intercept is f(0)

f(0) = (0+1)(0-1)²(0-3) = 1*1*-3 = -3

Thus Y-Intercept is -3

Substitute x = 0 , 2 for extra points

Thus f(0) = -3

and f(2) = -3

Thus points on the graph (0,-3), (0,2)

We can use all this information to draw a graph remember that 1 is a repeating root so that will be a point of minima. The graph is a parabola that passes through x-axis at x = -1, 3.

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Answer:

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2 years ago
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SVETLANKA909090 [29]

Im pretty sure: 18 units

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