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Vesna [10]
3 years ago
14

Please answer a and b, I will give brainliest!!!!!

Mathematics
1 answer:
aniked [119]3 years ago
5 0

Answer:

b

Step-by-step explanation:

because it passes the vertical line test and A does not if you look at x = 1 there are 2 points along that point (1,3) (1,-1)

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Answer:

The answer is option 3.

Step-by-step explanation:

First we have to find the area of both rectangle and triangle :

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Triangle,

area =  \frac{1}{2}  \times base \times height

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Let height = 3,

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Lastly, in order to find the shaded region you have to substract the area of triangle from the area of rectangle :

area = 27 - 4.5 \\ area = 22.5 \:  {m}^{2}

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