Perform the indicated operation.
- 
A. 
B. 8
C. 
D. 
Answer: D
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Write the sum without sigma notation and evaluate it.
A. 
? 
? 
? 
= 
B. 
+ 
= 
C. 
+ 
+ 
+ 
= 
D. 
+ 
+ 
+ 
= 
Solve the problem.A mechanism with two length-adjustable links is depicted below. The adjustable lengths are b and c, the length a is fixed, and the point A can only move horizontally. From the law of sines, 
Sketch the graph of b as a function of A for 
and B = ?/4.
A. 
B. 
C. 
D. 
A population growing at an annual rate r will triple in a time t given by the formula 
. If the growth rate remains constant and equals 8% per year, how long will it take the population of the town to triple?
?
Please enter your answer as a number without the units, rounded to one decimal place.
Fill in the blank(s) with the appropriate word(s).
Find the area of the shaded region.y = 2x + 1
A. 12.5 B. 10 C. 7.5 D. 5