Mathematics, 29.01.2020 16:00 sofiav44

Check all of the functions that are odd.

f(x)=x3-x2

f(x)=x5-3x3+2x

f(x) = 4x + 9

Answers: 2

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Answers

Answer from: KenziePaul

1) $f(x)=x^{3}-x^{2}$ is not an odd function

2) $f(x)=x^{5}-3x^{3}+2x$ is an odd function

3) f(x)=4x+9 is not an odd function

Step-by-step explanation:

The function is odd, which satisfies the condition f(-x) = - f(x)

first we check for $f(x)=x^{3}-x^{2}$

Replace x with - x,

$f(-x)=(-x)^{3}-(-x)^{2}$

$f(-x)=(-x)^{3}-(x)^{2}$

we can't write this in the form of f(-x) = - f(x)

so, this is not an odd function

check for $f(x)=x^{5}-3x^{3}+2x$

Replace x with - x,

$f(-x)=(-x)^{5}-3(-x)^{3}+2(-x)$

$f(-x)=-((x)^{5}-3(x)^{3}+2(x))$

f(-x)=-f(x)

so, this is an odd function

check for f(x)=4x+9

Replace x with - x,

f(-x)=4(-x)+9

f(-x)=-4x+9

we can't write this in the form of f(-x) = - f(x)

so, this is not an odd function

Answer from: owenr4758

b and d

Step-by-step explanation:

now the lyric to does he know by one direction

He knows about you in every way

He's memorized every part of your face

Inside and out, baby, head to toe

Yeah, he knows everything there is to know

Your secret tattoo, the way you change moods

The songs that you sing when you're all alone

Your favorite band, and the way that you dance

But baby, baby

Does he know you can move it like that?

Whoa-oh-oh-oh

Does he know you're out and I want you so bad

Oh-oh-oh-oh

Tonight you're mine, baby

Does he know that you'll never go back?

Oh-oh-oh-oh

Does he know?

I catch your eye then you turn away

But there's no hiding the smile on your face

Inside and out, baby, head to toe

He's not around, girl, you let me know

Your secret tattoo, the way you change moods

The songs that you sing when you're all alone

He knows how you dance in front of your friends

But baby, baby

Does he know you can move it like that?

Whoa-oh-oh-oh

Does he know you're out and I want you so bad

Oh-oh-oh-oh

Tonight you're mine, baby

Does he know that you'll never go back?

Oh-oh-oh-oh

Does he know?

He'll never know

The way you lie when you look at me

So keep trying but you know I see

All the little things who make you who you are

So tell me girl

Does he know you can move it like that? (like that)

Does he know that you'll never go back? (go back)

Does he know you can move it like that?

Whoa-oh-oh-oh

Does he know you're out and I want you so bad

Oh-oh-oh-oh

Tonight you're mine, baby

Does he know that you'll never go back?

Oh-oh-oh-oh

Does he know?

Answer from: Quest

an altitude of 15,000 feet

step-by-step explanation:

Answer from: Quest

addition

step-by-step explanation:

Will pay paypal money to whom answers all! answer first

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Check all of the functions that are odd.

f(x)=x3-x2

f(x)=x5-3x3+2x

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