Add as indicated.9n5 - 2n2 - 8
A. 8n7
B. 15 - 5n5 - 2n2
C. 15n5 - 5n2 - 2
D. -2n5 + 6n2 + 4
Answer: C
Mathematics
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Simplify. Assume that all variables represent nonnegative numbers.
? 
A. 
B. 
C. 
D. 
Mathematics
A function f(x), a point x0, the limit of f(x) as x approaches x0, and a positive number ? is given. Find a number 
such that for all x, 0 < 
< ? ? 
< ?.f(x) = 9x + 3, L = 21, x0 = 2, and ? = 0.01
A. 0.005 B. 0.005556 C. 0.001111 D. 0.002222
Mathematics
Find the length of the curve.The parabolic segment r = 
, 0 ? ? ? 
A. 
?
B. 
(
- ln(
- 1))
C. 
D. 
(
+ ln(
+ 1))
Mathematics
Find the indicated term of the arithmetic sequence.Given an arithmetic sequence with d = 8 and a5 = 28, find a20.
A. 148 B. 157 C. 232 D. 237
Mathematics