1.

If f:RR rarrRR and g:RR rarrRR are defined by f(x)=2x+3 and g(x)=x^(2)+7, then the values of x such that g(f(x))=8 are

Answer»

1, 2
`-1, 2`
`-1, -2`
`1, -2`

ANSWER :C


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