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Alchen [17]
3 years ago
13

Explain why the expression 9x^3+1/2x^2+3x^-1 is not a polynomial

Mathematics
1 answer:
Nastasia [14]3 years ago
4 0

Answer:

The given expression can't be expressed in polynomial form. Hence, it is not a polynomial.

Step-by-step explanation:

P(x,n) is a polynomial of nth degree if it is of the form,

P(x,n) = a_{0} + a_{1}x + a_{2}x^{2} + a_{3}x^{3} + ......... +a_{n}x^{n}

where n is a finite positive integer and n ∈ N

and 'a_{i}'s are fixed but otherwise arbitrary constants ∀  i = 0(1)n .

Now, the given expression is,

9x^{3} + \frac {1}{2x^{2}} + 3x^{-1}

which  doesn't fit in the above form. Hence, it is not a polynomial.

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<span>
f(-3) = 25


</span>--------------------------------------------------<span>
Answer: f(-3) = 25 (Answer C)
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3 years ago
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Step-by-step explanation:

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3 years ago
Help please I don't understand!!!
shusha [124]
A- 2b = 2  one of the 2 "A" most be negative so they can cancer each other 
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--------------    and 6 
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