Decide whether or not the set is closed under addition.{2}
A. Not closed
B. Closed
Answer: A
Mathematics
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Compute the values of f(x) and use them to determine the indicated limit.If f(x) = 
, find 
f(x).
A. 
; limit = ?
B. 
; limit = 0.21213
C. 
; limit = 0.7071
D. 
; limit = 2.13640
Mathematics
Find the quadratic approximation of f at x = 0.f(x) = ln(1 + sin 8x)
A. Q(x) = 8x + 32x2 B. Q(x) = 8x - 32x2 C. Q(x) = 1 + 8x + 32x2 D. Q(x) = 1 - 8x + 32x2
Mathematics
Solve the system using Gaussian elimination. If (x, y, z) is the solution to the system, give the value of 
.
?
?
A. -14 B. 90 C. -62 D. 14 E. -42
Mathematics
Sketch the trace of the intersection of plane 
with the sphere:
?
?
A. ?
?
B. ?
?
C. ?
D. ?
?
E. ?
Mathematics