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k0ka [10]
3 years ago
13

Will give brainliest! And 100 points!!! Plz help. Pic attached

Mathematics
2 answers:
Oliga [24]3 years ago
8 0

Answer:

5

Step-by-step explanation:

mylen [45]3 years ago
4 0

Step-by-step explanation:

5

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The seventh child is fourteen years and seven month.
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guapka [62]
For odd function f(-x)= -f(x)

1) f(-x)= sin(-x) = -sin(x)=-f(x)       sin is odd function
2) f(-x) = sin(-2x) = -sin 2x=-f(x)
3) f(-x)= (-x)³+1 = -x³ +1 (not an odd function)
To be an odd function, it should be like this:
if a function is (x³+1), to be odd f(-x) should be -(x³+1)=-x³-1
4) f(x)= x/(x²+1) 
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So, f(-x) gives - \frac{x}{x^{2}+1},
that means that  f(x)= x/(x²+1)  is an odd function.
5)f(x) = ∛(2x)

f(-x) = ∛(2*(-x)=∛(2x*(-1)) = ∛(2x)*∛(-1)=- ∛(2x)= -f(x)

4 0
4 years ago
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Katie loves to read! In the last few months she has read 333 graphic novels, 222 mysteries, 444 sci-fi novels, and 212121 comic
sineoko [7]

Is there a picture for this I could maybe help

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3 years ago
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2x+90=7x<br><br><br><br>please explain it step-by-step ​
horrorfan [7]

Answer:

Step-by-step explanation:

2x+90=7x

2x=7x-90

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x=18

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3 years ago
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