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MHR • Advanced Functions 12 Solutions 660

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Chapter 7 Section 4 Question 13 Page 392<br />

log b<br />

a = c and log y<br />

b = c<br />

b c = a and y c = b<br />

( y ) c c = a substitute y c = b<br />

y c2<br />

= a<br />

log a<br />

y c2<br />

= log a<br />

a logarithm of base a of both sides<br />

c 2 log a<br />

y = 1 power law of logarithms<br />

log a<br />

y = 1 c 2<br />

log a<br />

y = c !2<br />

Chapter 7 Section 4 Question 14 Page 392<br />

1 × 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 44<br />

<strong>MHR</strong> <strong>•</strong> <strong>Advanced</strong> <strong>Functions</strong> <strong>12</strong> <strong>Solutions</strong> 718

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