CAN SOMEBODY PLEASE HELP ME

the answer on e2020 was d.

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          √25                                         √33               √36      

i made this little number line up there for a visual example. : d

to find √33, you take the nearest root vales you know right off the bat. √25 and √36 which is 5 and 6, correct? and on the number line, you can see that √33 falls closer to √36, 6. so we know that √33 is going to be 5 point. something, right? but because 33 is so close to six, it is going to be a higher number for 5 point. something. so it is approximately 5.7