Use the graph to estimate the specified limit.
f(x)
A. 0
B. -2
C. 2
D. Does not exist
Answer: D
Mathematics
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?If a = 27, what is a4? ?
A. ?108 B. 531,441 C. ?19,683 D. ?312 E. ?b only F. ?b and d
Mathematics
Express the integrand as a sum of partial fractions and evaluate the integral.
A. ln
+ C
B. 3ln
+ 4ln
+ C
C. 4ln
- 4ln
+ C
D. 3ln
+ 4ln
+ C
Mathematics
Graph the curve over the given interval together with its tangent at the given value of x. Graph the tangent with a dashed line.y = cot(x), -2? ? x ? 2?, x = 
A. 
B. 
C. 
D. 
Mathematics
Write as an addition problem and find the sum.Susan lost 9 pounds the first week, gained 6 pounds the second week, and lost 7 pounds the third week. What was her net gain or loss?
A. 9 + (-6) + 7 = -22 pounds B. 9 + (-6) + 7 = 22 pounds C. -9 + 6 + (-7) = 10 pounds D. -9 + 6 + (-7) = -10 pounds
Mathematics