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Solnce55 [7]
3 years ago
6

Select the correct answer. What is the domain of the function represented by this graph? the graph of a quadratic function y = x

^2 – 4 with a minimum value at the point (0,-4)
A. x ≥ 4
B. x ≤ 0
C. all real numbers
D. -2 ≤ x ≤ 2

Mathematics
2 answers:
oksian1 [2.3K]3 years ago
5 0

Answer:

All real numbers :)

Step-by-step explanation:

vesna_86 [32]3 years ago
4 0

Answer:

C. all real numbers

Step-by-step explanation:

D(y) = {x / x € R }

_____

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Are the two figures congruent?
geniusboy [140]

Answer:

No, because the reflection of ABC is not congruent to A’B’C’.

Step-by-step explanation:

we know that

The rule of the reflection across the line y=x is equal to

(x,y) -------> (y,x)

so

A(-6,6) -------> A'(6,-6) ----> is ok

B(-3,3) ------> B'(3,-3) ----> is ok

C(-8,2) ------> C'(8,-2) ----> is not ok ( is not a reflection acros the line y=x)

therefore

The triangles are no t congruent, because the reflection of ABC is not congruent to A’B’C’

6 0
3 years ago
Please help with scale factor!!!!!!!! I will mark brainliest if right! Two rectangular prisms have a side scale factor of 1/4. I
Agata [3.3K]

Answer:

  • 1/16
  • 720 cm²

Step-by-step explanation:

Area is the product of two dimensions.

<u>If the scale factor is 1/4, the ratio of the areas will be: </u>

  • (1/4)² = 1/16

The smaller prism has a surface are of 45 cm².

<u>The larger prism has a surface area:</u>

  • 45*16 = 720 cm²
5 0
3 years ago
Which model shows 25%? ​
Stels [109]

Answer:

The  first one shows 25%

In the 1st modal, a whole is divided into 4 and 1 of the 4 is selected or highlighted

And as the whole rectangle is 100% and being divided into four its becomes 100/4% and when we solve we get 100/4=25

And thus its the first modal that shows 25%

In the second case its divide into 3 boxes so.. 100/3% and when we solve we get 33.3333333.......and this is not what we want

THEREFORE, THE CORRECT ANSWER IS 1ST MODAL

8 0
2 years ago
I honestly just don't get this question. I'll give 30 points!!!
Svetllana [295]
I wish I could help but but I can't I'm dumb as a box of rocks
7 0
3 years ago
Read 2 more answers
Solve |x| + 7 &lt; 4. <br> ........................
Fynjy0 [20]
Hello : 
<span>|x| + 7 < 4.
</span><span>|x| < 4.-7
</span>|x| < -3
 no reals solutions  because for all reals x :  |x| <span>≥ 0</span> 

8 0
3 years ago
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