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ashley4329
20.09.2020 •
Mathematics
I need help on question 4 pls explain the answer thanks
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Ответ:
1. a
2. b
3. c
Step-by-step explanation:
1. a
For this first graph, we know that it matches a because of the domain. A tells us that the x≠-1. We know this because of the denominator.
(x+1)(x+1)=0 subtract both sides by 1]
x=-1
Therefore, a matches graph 1.
2. b
For graph 2, we can see that the graph is under the x-axis, meaning it is all negative. The only option that gives us a negative point is b. You can tell by the negative sign in front of the square root.
Therefore, b matches graph 2.
3. c
For graph 3, we see that everything is above the x-axis, meaning the graph is always positive. The option that fits this is c. In c, there are absolute values. Absolute values tell us that the answer is always going to be positive.
Therefore, c matches graph 3.
Ответ:
Question is incomplete
Step-by-step explanation:
But the common properties of a parallelogram are:
1. Diagonals bisect at 90 degrees
2. Opposite angles are equal
3. Opposite sides are equal
4. Rotational symmetry of order 2
5. No lines of symmetry
6. Quadrilateral.
Hope this helps