MHR • Advanced Functions 12 Solutions 660
MHR • Advanced Functions 12 Solutions 660
MHR • Advanced Functions 12 Solutions 660
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Chapter 7 Section 4 Question 10 Page 392<br />
! $<br />
# 1 &<br />
a) n = log 2 # &<br />
#<br />
1<br />
&<br />
" 4 %<br />
n = log 2<br />
4<br />
n = 2<br />
! 1 $<br />
b) 4 = log 2<br />
"<br />
# p %<br />
&<br />
! 1 $<br />
log 2<br />
16 = log 2<br />
"<br />
# p %<br />
&<br />
16 = 1 p<br />
p = 1<br />
16<br />
Chapter 7 Section 4 Question 11 Page 392<br />
a)<br />
w 2 !10w !100 = 0<br />
2<br />
3 = log 3<br />
w2 !10w<br />
( ) 1 3<br />
2<br />
3 = log w2 !10w<br />
2<br />
3 = 1 3 log ( w2 !10w)<br />
( )<br />
2 = log w 2 !10w<br />
10 2 = w 2 !10w<br />
w = !(!10) ± (!10)2 ! 4(1)(!100)<br />
2(1)<br />
w =<br />
w =<br />
10 ± 500<br />
2<br />
10 ±10 5<br />
2<br />
w = 5 ± 5 5<br />
<strong>MHR</strong> <strong>•</strong> <strong>Advanced</strong> <strong>Functions</strong> <strong>12</strong> <strong>Solutions</strong> 716