Question

f(x) = x²+2x+1
x²-8x+20
find domain & range
​

Answer 1

Answer:

The given function is, f(x)=

x

2

−8x+12

x

2

+2x+1

⇒f(x)=

(x−6)(x−2)

x

2

+2x+1

It can be seen that function f is defined for all real numbers except at x=6 and x=2

Hence the domain of f is R−{2,6}

Step-by-step explanation:

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