Logarithmic Functions(F4Maths)

8.The sound intensity level of music of a concert is 88dB.If the sound intensity of music in the concert is increased to 150% of the original,find the sound intensity level of music after the sound intensity is increased.



9.A graph of logy aganist for the relationship logy=mlogx+c,where c is a constant.The graph passes through (4,6)

(a) Find the values of m and c

10.(Arbitary Base)
Given that log^2 3=p,express the following in terms of p

eg. log^2 9=2p

(b) log^3 2=?