Is this relation a function? Justify your answer .
11
10
9
8
7
6
5
4
3
2
.
8 9 10 11
A. Yes, because every and y-value is positive.
B. Yes, because the number of x-values is the same as the number of
p-values.
C. No, because two points with the same p-value have different -
values.
D. Yes, because every x-value has a single juvalue.

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step-by-step explanation:

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answer

answer: (-8,4) are the coordinates of a

step-by-step explanation:

let the side of square abcd is x .

thus the area of square abcd is .

now, by the diagram area of triangle ead= 1/2 × ea × ad = 1/2 × ea × x

( because ad is the side of square)

and, according to the question,

the areas of square abcd and right ead are equal.

⇒

⇒ea=2x

thus, ea: ab=2: 1

therefore, point a divides line segment eb into the ratio 2: 1.

⇒ by sectional formula coordinates of a are,

=

=

=(-8, 4)

thus the coordinates of a are (-8,4)