MHR • Advanced Functions 12 Solutions 660
MHR • Advanced Functions 12 Solutions 660
MHR • Advanced Functions 12 Solutions 660
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Chapter 7 Review<br />
Chapter 7 Review Question 1 Page 408<br />
a) 4 3 b) 4 1 c)<br />
1<br />
4 = !<br />
1<br />
$<br />
2 4!2 d) (2) 5 = 4<br />
2<br />
# &<br />
" %<br />
5<br />
= 4<br />
2<br />
5<br />
Chapter 7 Review Question 2 Page 408<br />
a) 5 x = 20<br />
x log5 = log 20<br />
x =<br />
log 20<br />
log<br />
5<br />
5 = 20<br />
log 20<br />
log5<br />
b) 5 x = 0.8<br />
x log5 = log0.8<br />
x = log0.8<br />
log5<br />
log 0.8<br />
log<br />
5<br />
5 = 0.8<br />
Chapter 7 Review Question 3 Page 408<br />
a) 3 5x = ( 3 ) 3 x!1<br />
3 5x = 3 3x!3<br />
5x = 3x ! 3<br />
2x = !3<br />
b) ( 2 ) 3 2x+1 = ( 2 ) 5 x!3<br />
2 6x+3 = 2 5x!15<br />
6x + 3 = 5x !15<br />
x = !18<br />
x = ! 3 2<br />
Check a):<br />
<strong>MHR</strong> <strong>•</strong> <strong>Advanced</strong> <strong>Functions</strong> <strong>12</strong> <strong>Solutions</strong> 734
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