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 5 Question 8 Page 405<br />
a) A = 1000(1.02) 4t !1000(0.05)<br />
A = 1000(1.02) 4t ! 50,for t < 4<br />
b) Translates the graph down 50 units.<br />
Chapter 7 Section 5 Question 9 Page 405<br />
Answers may vary. A sample solution is shown.<br />
a, b)<br />
Time (min) Temperature (°C)<br />
0 100<br />
2 90<br />
4 85<br />
6 81<br />
8 78<br />
10 74<br />
<strong>12</strong> 71<br />
14 68<br />
16 66<br />
18 64<br />
20 62<br />
c)<br />
d)<br />
e) I would use the exponential model because the quadratic model may work well with these<br />
data, but it will eventually start increasing, which the data will not.<br />
<strong>MHR</strong> <strong>•</strong> <strong>Advanced</strong> <strong>Functions</strong> <strong>12</strong> <strong>Solutions</strong> 726
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