Date post: | 16-Aug-2015 |
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7. 10. Since y =1ogb x and y =b are inverse functions of each other,the following two equations must be equivalent to one another: y= logbx and x= b". mnihm D? _This,in fact,the definition of the logarithm that you will see in your book5l"l"V 7' gr bx : > lr1lVQ)rSe:X/ /Eb} (imirbf 4 lhygre ; lD 7k' 5 6* 8. I, I Ii! II. IIII. IIl, IIl. IiII . , F-'4 -. ..< __. .< . .l U,__. ., -'r~s 7-44- MT --a -. g 'D>4- _s. ., _-_,__. ., >4-x-A,-n.>>A -. a..:4 ll .1; J;Jj J;J,, J] J,,i, , J,Jr J;J, H};J;J, I11. Use this denition to evaluate each of the following expressions: 32:2 X55a.logz 32 7- X. b.1og93 :1 :71: / /a_ 9. Two bases in particular are frequently used for logs. Common log | og10(x) is the inverse of 10*. l%, .,3C': ~l