MHR • Advanced Functions 12 Solutions 660
MHR • Advanced Functions 12 Solutions 660
MHR • Advanced Functions 12 Solutions 660
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Chapter 7 Section 5 Question 15 Page 407<br />
downhill rate = x uphill = 1<br />
16 h level = 1 24 h downhill = 1 x h average = 1 24 h<br />
! 1<br />
16 + 1 24 + 1 $<br />
"<br />
# x %<br />
& ÷ 3 = 1 average<br />
24<br />
1<br />
48 + 1<br />
72 + 1 3x = 1 24<br />
1<br />
3x = 6<br />
144 ' 3<br />
144 ' 2<br />
144<br />
1<br />
3x = 1<br />
144<br />
3x = 144<br />
x = 48<br />
She would have to travel 48 km/h downhill in order for her average to be 24 km/h for the entire<br />
route.<br />
Chapter 7 Section 5 Question 16 Page 407<br />
(–1, 1)<br />
(1, 1)<br />
A = 1 (<br />
2 r2 ! " sin! )<br />
A = 1 2<br />
2<br />
( ) 2 * $ # '<br />
&<br />
% 2 (<br />
)" sin $<br />
&<br />
# '-<br />
,<br />
% 2 )/<br />
+<br />
(.<br />
A = 1 (<br />
2 2<br />
*<br />
),<br />
# + 2 "1<br />
-<br />
/<br />
.<br />
A = # 2 "1<br />
<strong>MHR</strong> <strong>•</strong> <strong>Advanced</strong> <strong>Functions</strong> <strong>12</strong> <strong>Solutions</strong> 732
Change language