Perform the indicated operations.Estimate by rounding to the nearest thousand, then find the actual sum.
A. Estimate: 9,000
Actual: 8,205
B. Estimate: 7,700
Actual: 7,665
C. Estimate: 8,000
Actual: 7,670
D. Estimate: 3,000
Actual: 7,665
Answer: C
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Find the limit using 
= 1.
A. 1
B. does not exist
C. 4
D. 
Evaluate the spherical coordinate integral.
A. 
?
B. 
?
C. 
?
D. 
?
Use the table of values of f to estimate the limit.Let f(x) = x2 - 5, find 
f(x).
A. 
; limit = -15.0
B. 
; limit = ?
C. 
; limit = -5.0
D. 
; limit = -3.0
Solve the problem.A survey of a group of 115 tourists was taken in St. Louis. The survey showed the following:66 of the tourists plan to visit Gateway Arch;50 plan to visit the zoo;11 plan to visit the Art Museum and the zoo, but not the gateway Arch;14 plan to visit the Art Museum and the Gateway Arch, but not the zoo;19 plan to visit the Gateway Arch and the zoo, but not the Art Museum;8 plan to visit the Art Museum, the zoo, and the Gateway Arch;14 plan to visit none of the three places.How many plan to visit the Art Museum only?
A. 101 B. 12 C. 38 D. 50