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If f: domainz+ , range R F (25) =1 f (x)= (2*f (x+1)+1)/(2) Find f (3)? A sound-insulating door reduces the sound level by 24 dB
- What fraction of the sound intensity passes through this door?
pl? Let X be a random variable with E(X)=3 and Var(X)=9. Then E(X^2) is? (The answer should be 18 but explain?)? Distance in kilometers. Light travels in one year at the rate of 186,000m/s. To the nearest star if from earth its 4.3 light years away? 36lbs.of potatoes cost 324.00 how much will 15 lbs. Cos?