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frozen [14]
3 years ago
6

mula1" title=" \sqrt{ x^{2} }= -x
Find the Domain " alt=" \sqrt{ x^{2} }= -x
Find the Domain " align="absmiddle" class="latex-formula">
Mathematics
1 answer:
grigory [225]3 years ago
6 0
 \sqrt{ x^{2} }= -x
-x \geq 0 x \leq 0

||||
That is the answer
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I just need 5 please help show work and I’ll give brainliest
Ostrovityanka [42]

Hello from MrBillDoesMath!

Answer:

See Discussion below

Discussion:

A function f is even if f(-x) = f(x)


f(x)                               f(-x)                                  Are they equal?

----------------------------------------------------------------------------------------

-x^8 + 2x^6-5x           -(-x)^8 + 2(-x)^6 + 5x         No

3 abs(x) - 4                 3 abs(-x) -4                       Yes

log5 x^2                     log5 (-x)^2                        Yes

(6x)^ (1/7)                     (-6x)^(1/7)                          No

e^(x^2-x)                     e^( (-x)^2+x)                      No

(x^8 +5x^2)^(-1)           ( (-x)^8 + 5 (-x)^2) ^(-1)      Yes


Answers with Yes, above are even functions.

Regards,  

MrB

P.S.  I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!


6 0
3 years ago
Simplify (9k6 + 8k4 - 6k2)(4k2 - 5)​
Tasya [4]

Answer:

36k^8-13k^6-64k^4+30k^2

Step-by-step explanation:

36k^8-13k^6-64k^4+30k^2\\9k^6*(4k^2-5)+8k^4*(4k^2-5)-6k^2*(4x^2-5)\\36k^8-45k^6+8k^4*(4k^2-5)-6k^2*(4x^2-5)\\36k^8-45k^6+32k^6-40k^4-6k^2*(4x^2-5)\\36k^8-45k^6+32k^6-40k^4-24k^4+30k^2\\36k^8-13k^6-40k^4-24k^4+30k^2\\36k^8-13k^6-64k^4+30k^2

8 0
3 years ago
30 points!!!!!
wlad13 [49]

Answer:

A=522

Explanation:

3 0
3 years ago
Identify the value of m. Give your answers in simplest radical form. HELP PLEASE!!!
yan [13]

Answer:

m = 4√2

Step-by-step explanation:

This is a right angled isosceles triangle whose sides are in the ratio 1:1:√2.

So = 8 / √2

= 8 *√2 / 2

= 4√2


5 0
3 years ago
Thanks for ur smart brains i gave all my points to u have fun
aev [14]

Answer:

the answer is B.

Step-by-step explanation:

30/5 is 6

8 0
3 years ago
Read 2 more answers
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