. The domain for which the function defined by f(x)=3X2-1 and g(x)=3+x are equal to.
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Step-by-step explanation:
f(x)=3X^2-1 , g(x)=3+x
f(x)= g(x)
3x^2-1= 3+x
3x^2-x-1-3=0
3x^2-x-4=0
3x^2 -4x+3x-4=0
x(3x-4)+1(3x-4)=0
(3x-4)(x+1)=0
(3x-4)=0, (x+1)=0
x=4/3 , x= -1
x= 4/3 or -1
the domain is (3x-4)(x+1)=0 or x= 4/3, -1 for which f(x)=3x^2-1 and g(x)=3+x are equal to.
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