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3 years ago

Please help me!!

Mathematics

1 answer:

klemol [59]3 years ago

5 0

Answer:

f(3) = (-∛150)/10

Step-by-step explanation:

Put 3 where x is and evaluate. If you don't want the decimal, you can rationalize the denominator to get an exact form.

f(3) = ∛(3/(-7·3+1)) = ∛(-3/20)

= -∛(3·50/(20·50)) = (-∛150)/10 ≈ -0.5313292845913...

_____

Multiplying numerator and denominator by 50 makes the denominator 1000, a perfect cube.

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Step-by-step explanation:

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