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Sever21 [200]
3 years ago
6

Help! i will mark brainliest!

Mathematics
1 answer:
il63 [147K]3 years ago
6 0

Answer: C

Step-by-step explanation:

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1. Consider the function f(x) = x² – 9. Algebraically determine the domain of y = Vf(x) . State using set notation.
AfilCa [17]

Answer:

-3<x<3

Step-by-step explanation:

let y=0

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0=(x+3)(x-3)

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8 0
3 years ago
PQR is an isosceles triangle in which PQ = PR
otez555 [7]

Answer and Step-by-step explanation: Congruent triangles are triangles with the same three sides and same three angles.

There many ways to determine if 2 triangles are congruent.

One of them is <u>ASA</u> or <u>Angle, Side, Angle</u> and it means that if two angles and the included side of one triangle are equal to the corresponding angles and side on the other triangle, they are congruent.

In this case, angle MRQ and angle NQR are equal. The included side of both triangles are the same QR, so it can be concluded that <em><u>triangle QNR is congruent to triangle RMQ.</u></em>

The image in the attachment shows the angles and their included side, which are colored.

3 0
3 years ago
Over which interval is the graph of f(x) = -X2 + 3<br> 8 increasing?
Pepsi [2]
Yea because it’s increasing
6 0
3 years ago
Please help
Anettt [7]

Answer:

24

Step-by-step explanation:

7 0
2 years ago
Which of the following is not true about a square?
Kisachek [45]
The first statement is false. A square DOES have 4 right angles.
8 0
3 years ago
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