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 2 Question 15 Page 376<br />
!<br />
a) V (t) = 24 000 1 $<br />
"<br />
# 2%<br />
&<br />
!<br />
0.25 = 1 $<br />
"<br />
# 2%<br />
&<br />
t<br />
3<br />
t<br />
3<br />
log0.25 = t 3 log 1 2<br />
t<br />
3 = log0.25<br />
log 1 2<br />
t = 3log0.25<br />
log 1 2<br />
t = 6<br />
It would take 6 years for the minivan to depreciate to one quarter of its initial value.<br />
!<br />
b) 0.1 = 1 $<br />
"<br />
# 2%<br />
&<br />
t<br />
3<br />
log0.1 = t 3 log 1 2<br />
t<br />
3 = log0.1<br />
log 1 2<br />
t = 3log0.1<br />
log 1 2<br />
t &= 10<br />
It would take approximately 10 years for the minivan to depreciate to 10% of its initial value.<br />
<strong>MHR</strong> <strong>•</strong> <strong>Advanced</strong> <strong>Functions</strong> <strong>12</strong> <strong>Solutions</strong> 688