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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 ?`

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`g=t^(2/3)+4t^(-1/2)`
`g=(64)^(2/3)+4xx(64)^(-1/2)`
`g=[(64)^(1/3)]^3+4xx(1/64)^(1/2)`
`g=4^2+4xx(1/8)^(2xx1/2)`
`g=4^2+4xx(1/8)`
`g= 16 +1/2`
`g=33/2`
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  4. If x^(-2)=64 , then x^(1/3)+\ x^0= (a) 2 (b) 3 (c) 3/2 (d) 2/3

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