Find the domain and range of the function f(x)=x^2-9/x-3
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given function is: f(x)=x2−9x−3
since the denominator can not be zero.
x−3≠0⇒x≠3
the domain of the function is R−{3}
y=f(x)=x2−9x−3y=(x−3)(x+3)x−3y=x+3 for x∈R−{3}y≠3+3 [f(x) is not defined for x=3y≠6
range of the function is R−{6}
hope this helps you
since the denominator can not be zero.
x−3≠0⇒x≠3
the domain of the function is R−{3}
y=f(x)=x2−9x−3y=(x−3)(x+3)x−3y=x+3 for x∈R−{3}y≠3+3 [f(x) is not defined for x=3y≠6
range of the function is R−{6}
hope this helps you
meetjoshi157:
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