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Let [t] be the greatest integer less tha...

Let `[t]` be the greatest integer less than or equal to `t`. Let `A` be the set of all prime factors of 2310 and `f : A rarr Z` be the function `f(x) =[log_2(x^2 + [(x^3)/5])]`. The number of one-to-one function from A to the range of `f` is

A

120

B

24

C

25

D

20

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A
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