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If g=t^(2/3)+\ 4t^(-1/2) , what is the v...

If `g=t^(2/3)+\ 4t^(-1/2)` , what is the value of `g` when `t=64 ?`
( a)`(31)/2`
(b) `(33)/2`
(c) 16
(d) `(257)/(16)`

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