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BaLLatris [955]
3 years ago
15

Find the y value at the point x = -2.​

Mathematics
2 answers:
Wewaii [24]3 years ago
5 0

By looking at the graph, we can visually determine that the value of y when point x = -2 is <u>-4.</u>

harina [27]3 years ago
5 0

Answer:

-4

Step-by-step explanation:

The y value at x=-2 is -4 because when you go to -2 on the x-axis the function is below there.  You can only go straight up or straight down to determine the y-value that corresponds to x=-2 so we go down because the function is below the x-axis there.

We are going to go down until we get on the graph of the line.  Scroll over with eyeballs to see that the y there is -4 (use the y-axis).

So the ordered pair (-2,-4) is on our line and when x=-2, y=-4.

Another example:

y=0 when x=2

Another example:

y=2 when x=4

Another example:

y=-3 when x=-1

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In a city the population is increasing exponentially at a rate of 1.6% per year.
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Answer:

\boxed{\sf sin\ C =\frac{40}{41}}

Step-by-step explanation:

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We know that the ratio of sine is perpendicular to hypontenuse .

\sf\longrightarrow sin\theta =\dfrac{ perpendicular}{hypontenuse}

Here we can see that the side opposite to angle C is 40 , therefore the perpendicular of the triangle is 40. And the side opposite to 90° angle is 41 . So it's the hypontenuse . On using the ratio of sine ,

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Substitute the respective values ,

\sf\longrightarrow \boxed{\blue{\sf sin\ C =\dfrac{40}{41}}}

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