Use the change of base formula and a calculator to evaluate the logarithm. Round your answer to two decimal places.log8.5 174
A. 20.47
B. 0.41
C. 2.24
D. 2.41
Answer: D
Mathematics
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Find an equation for the tangent to the curve at the given point.f(x) = 10
- x + 1, (100, 1)
A. y = - 
x + 51
B. y = 1
C. y = - 
x + 1
D. y = 
x - 51
Mathematics
Find 
.e2x = sin (x + 3y)
A. 
-1
B. ln sin (x + 3y)
C. 
D. 
Mathematics
John is on a new diet and keeps track of his weight loss each week. In January, he lost 
lb the first week, 2 lb the second week, 
lb the third week and 
lb the last week. How much weight did he lose in January?
A. 12 lb
B. 
lb
C. 
lb
D. 
lb
Mathematics
Use partial fractions to find the sum of the series.
A. 
+ 
B. 
- 
C. 
+ 
D. 
+ 
Mathematics