Identify polynomial in the following:
a) f(x)= 4x3- x2 - 3x+7
b) g(x)= 2x3-3-3x2+√x-1
c) p(x)=2x2/3-7x/4+9
d) q(x)=2x2-3x+4/x+2
e) h(x)=x-3x3/2+x-1
f) f(x)=2+3x+4x

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a,c

a,b,c

none of these

all of these

answer is A.

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Detailed Solution

(a)f(x)=4x3- x2 - 3x+7
Here all the power of x in the intergen
Hence it is a polynomial function
(b)g(x)= 2x3-3-3x2+√x-1
Here x has ½ power which is not an intergen
Hence it is not an polynomial function
©p(x)=2x2/3-7x/4+9
Here all the power of x is positive intergen
Hence it is a polynomial function
(d)q(x)=2x2-3x+4/x+2
Here x has power -1. Hence it is not an polynomial function
(e)h(x)=x-3x3/2+x-1
Here 3/2 is not an intergen .hence it is not polynomial function
(f) f(x)=2+3x+4x
Here power of x is -1. So it is not polynomial function
Type- CBSE
Grade- 10
Subject- Mathematics
Chapter- Height and distance

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