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If 0ltyltx , which statement must be tru...

If `0ltyltx ,` which statement must be true? `sqrt(x)-\ sqrt(y)=\ sqrt(x-y)` (b) `sqrt(x)+\ sqrt(x)=\ sqrt(2x)` `xsqrt(y)=ysqrt(x)` (d) `sqrt(x y)=\ sqrt(x)\ sqrt(y)`

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  2. If 8^(x+1)=64 , what is the value of 3^(2x+1) ? 1 (b) 3 (c) 9 (d) ...

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  3. If 0ltyltx , which statement must be true? sqrt(x)-\ sqrt(y)=\ sqrt(x-...

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  4. If x is a positive real number and x^2=2, then x^3= sqrt(2) (b) 2s...

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  6. If 10^x=64 , what is the value of 10^(x/2+1) ? (a) 18 (b) 42 (c) 8...

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  8. If g=t^(2/3)+\ 4t^(-1/2) , what is the value of g when t=64 ?

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  9. If x^(-2)=64 , then x^(1/3)+\ x^0= (a) 2 (b) 3 (c) 3/2 (d) 2/3

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  10. If 4^x-\ 4^(x-1)=24 , then (2x)^x equals 5sqrt(5) (b) sqrt(5) (c...

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  18. If (2/3)^x\ \ (3/2)^(2x)=(81)/(16), . then x= 2 (b) 3 (c) 4 (d)...

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