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Mathematics 16 Online
OpenStudy (anonymous):

Determine whether f(x) represents a polynomial function. If possible,what is the degree and type? f(x)=-8x^3

OpenStudy (zzr0ck3r):

what do you think?

OpenStudy (anonymous):

not sure

OpenStudy (zzr0ck3r):

well do you think its a polynomial?

OpenStudy (anonymous):

i don't think so

OpenStudy (zzr0ck3r):

it is.

OpenStudy (anonymous):

is it a linear

OpenStudy (zzr0ck3r):

you dont want me to define a polynomial for you because I would prob not say it right, but google it and you will see.

OpenStudy (zzr0ck3r):

no a linear function would be a straight line, this is qubic because it has a DEGREE of 3

OpenStudy (anonymous):

i am all confused, now, but thanks.

OpenStudy (zzr0ck3r):

anything that looks like this x^4+12x^3+23x then its a poltnomial (if the exponents are positive) the degree is the biggest exponent.

OpenStudy (anonymous):

thanks for the explanation...was so lost

OpenStudy (zzr0ck3r):

I should have said the exponents are 0 or positive so is x^32+x^12 + 45 a polynomial? (note: 45 = 45x^0)

OpenStudy (anonymous):

i would say yes

OpenStudy (zzr0ck3r):

your right what degree?

OpenStudy (anonymous):

32?

OpenStudy (zzr0ck3r):

yes is (1/x)^2 + 23 x a polynomial?

OpenStudy (mayankdevnani):

Degree of polynomial=2 and the type of polynomial= Quadratic Polynomial(degree is 2)

OpenStudy (zzr0ck3r):

this is a 3rd degree polynomial ... not 2

OpenStudy (mayankdevnani):

oh!! sry i read other question @zzr0ck3r

OpenStudy (mayankdevnani):

Degree of polynomial= 3 Type of polynomial = Cubic Polynomial

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