Evaluate the expression without a calculator.9log93
A. 27
B. 3
C. 9
D. 1
Answer: B
Mathematics
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Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = cos-1
A. 
B. ?
C. 1
D. No limit
Mathematics
Simplify the expression.271/3
A. 3 B. 243 C. 9 D. 81
Mathematics
Estimate an answer to the problem.An advertisement states that television sets are on sale at B&G Electronics. The sale prices are: 
set, $147.99; 
set, $208.95; 
set, $231.99; 27-inch set, $289.97; 
set, $519.97. Estimate the approximate number of 
style="vertical-align: -4.0px;" /> sets that can be bought for $6278. A. 30 B. 25 C. 40 D. 300
Mathematics
Find the indicated intercept(s) of the graph of the function.x-intercepts of f(x) = 
A. (5, 0) B. (-2, 0), (2, 0) C. (2, 0) D. (- 8, 0)
Mathematics