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Lilit [14]
2 years ago
11

How do I do this question folks?

Mathematics
1 answer:
horsena [70]2 years ago
7 0

Answer:

Correct answer: B

Step-by-step explanation:

Syntax: in piecewise functions such as the one attached, the "if:" section shows the domain, or x-axis values which that function pertains to.

In the graph, you can see that the graph is defined for -3\leq x < 1 (not-including 1 because there is an open hole there, indicating it is not part of the domain), and 2\leq x\leq 4.

Now that we know the domain, we can attach it to the graphs that lie on those domains.

We see that the leftmost line appears to have a positive slope and a negative y-intercept, and that the second line should have a positive y-intercept and a negative slope.

At this point, you can just start crossing off answers that don't meet this criteria.

Cheers!!

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Answer:

12 grams

Step-by-step explanation:

15/5 = 3 half lives

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Is (-5,-5) a solution of y \geq -2x +4y≥−2x+4 ?
FromTheMoon [43]

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Step-by-step explanation:

Substitute the values and see.

  -5 ≥ -2(-5) +4

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A graph can quickly show you this.

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