Write the sum in summation notation.2 + 
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.The diameter of a tree was 9 in. During the following year, the circumference increased 
About how much did the tree's diameter increase? (Leave your answer in terms of ?.)
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Mathematics
Find the first five terms of the recursively defined sequence.a1 = 4, an+1 = 
A. 4, 
, 
, 
, 
B. 4, 
, 
, 
, 
C. 4, 
, 4, 
, 4
D. 4, 
, 16, 
, 64
Mathematics
Solve.Find the difference of 533 and 87.
A. 620 B. 446 C. 440 D. 346
Mathematics
Determine whether the equation is a function.y2 + x = 6
A. function B. not a function
Mathematics