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lukranit [14]
3 years ago
8

Which graph does not represent a function? No need to explain. Thank you.

Mathematics
1 answer:
pychu [463]3 years ago
7 0

Answer:

<em>The first graph is the only one who is not a function</em>

Step-by-step explanation:

<u>Functions </u>

The condition that a relation between x and y must fulfill to be called a function is that for each value of x, there is one and only one value for y.  

That is easy to spot by taking an imaginary vertical line and having is slipped through all of the domain. If the line touches more than once (or never touches) the graph for all the values of x, it's not a function.

Checking on the first graph, we can see it's the only one who has the above-mentioned description. In fact, for a specific value of x, there are infinitely many values of y. The rest of the graphs touches our imaginary line only once per value of x, thus:

<em>The first graph is the only one who is not a function</em>

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Square ABCD is located on a coordinate plane. The coordinates for three of the vertices are listed below.
Marrrta [24]

Answer:

B'(16,14)

Step-by-step explanation:

First find the coordinates of the vertex B. The center of the square M is the midpoint of the diagonal AC. Since A(2,7) and C(8,1), the center has coordinates

M\left(\dfrac{2+8}{2},\dfrac{7+1}{2}\right)=M(5,4).

Point M is also the midpoint of the diagonal BD. Let B has coordinates (x,y), then

\dfrac{x+2}{2}=5\Rightarrow x=8,\\ \\\dfrac{y+1}{2}=4\Rightarrow y=7.

Hence, B(8,7).

Now, the dilation by a scale factor 2 with the center of dilation at the origin has the rule

(x,y)→(2x,2y).

Thus,

B(8,7)→B'(16,14).

8 0
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Finger [1]
-8, 3 Do you need me to explain
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valentinak56 [21]
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first we write all numerators above the least common denominator 64
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