SOLUTION: If logb 2 =0.4 and logb 3=0.7,then what is logb 12=? a 3√xy b 1/3xy c 1/3(x+y) d 1/3 x+y

Algebra ->  Trigonometry-basics -> SOLUTION: If logb 2 =0.4 and logb 3=0.7,then what is logb 12=? a 3√xy b 1/3xy c 1/3(x+y) d 1/3 x+y      Log On


   

Question 1125826: If logb 2 =0.4 and logb 3=0.7,then what is logb 12=?
a 3√xy
b 1/3xy
c 1/3(x+y)
d 1/3 x+y
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
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If logb 2 =0.4 and logb 3=0.7,then what is logb 12=?
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log%28%2812%29%29
log%28%282%2A2%2A3%29%29
log%28%282%5E2%29%29%2Blog%28%283%29%29
2%2Alog%28%282%29%29%2Blog%28%283%29%29
but your choices look very strange.

Substituting according to your givens,
2%2A0.4%2B0.3, easily computed.