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Diketahui , tentukan

Pertanyaan

Diketahui begin mathsize 14px style f open parentheses x close parentheses equals square root of x plus 10 end root end style, tentukan begin mathsize 14px style f to the power of negative 1 end exponent open parentheses 225 close parentheses equals... end style 

Pembahasan Soal:

begin mathsize 14px style m i s a l space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space m a k a space space space space space space space space space space a equals square root of x plus 10 end root space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space f to the power of negative 1 end exponent open parentheses x close parentheses equals x squared minus 10 space space space space space space space space a squared equals x plus 10 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space f to the power of negative 1 end exponent open parentheses 225 close parentheses equals 225 squared minus 10 a squared minus 10 equals x space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 50.615 space space space space space space space space space space x equals a squared minus 10 end style 

Jadi, begin mathsize 14px style f to the power of negative 1 end exponent open parentheses 225 close parentheses equals 50.615 end style.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 02 April 2021

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