Which of these statements about y 8 sqrt m is c... - WAEC Mathematics 2012 Question
Which of these statements about y = 8(\sqrt{m}) is correct?
A
log y = log 8 x log \(\sqrt{m}\)
B
log y = 3 log 2 x \(\frac{1}{2}\) log m
C
log y = 3 log 2 - \(\frac{1}{2}\) log m
D
log y = 3 log 2 + \(\frac{1}{2}\) log m
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Correct Option: D
y = 8(\sqrt{m}); log y = log 8(\sqrt{m})
log y = log 8 + log (\sqrt{m})
log y = log 23 + log m(\frac{1}{2})
log y = 3 log 3 + (\frac{1}{2}) log m
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