Evaluate the expression without using a calculator, and write your answer in radians.
?
What will be an ideal response?
Answer: 0
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Simplify the expression. Assume that all variables are positive when they appear.-6
- 2
A. -40
B. -32
C. 40
D. 32
Solve the problem.List all the ordered arrangements of 4 objects 1, 2, 3, and 4 choosing 3 at a time without repetition. What is P(4, 3)?
A. 123, 124, 132, 134, 142, 143, 213, 214, 231, 234, 241, 243, 312, 314, 321, 324, 341, 342, 412, 413, 421, 423, 431, 432 P(4, 3) = 24 B. 123, 124, 132, 142, 143, 213, 214, 231, 241, 243, 312, 314, 321, 341, 342, 412, 413, 421, 423, 431 P(4, 3) = 20 C. 123, 124, 134, 234 P(4, 3) = 4 D. 111, 112, 113, 114, 121, 122, 123, 124, 131, 132, 133, 134, 141, 142, 143, 144, 211, 212, 213, 214, 221, 222, 223, 224, 231, 232, 233, 234, 241, 242, 243, 244, 311, 312, 313, 314, 321, 322, 323, 324, 331, 332, 333, 334, 341, 342, 343, 344, 411, 412, 413, 414, 421, 422, 423, 424, 431, 432, 433, 434, 441, 442, 443, 444 P(4, 3) = 64
Solve the problem.A football team gained 40 yards on one play, lost 33 yards on another, and gained 37 yards on the last play of the first half. They had already gained 268 yards during the half. What was the total yardage gain for the first half?
A. 345 yards B. 378 yards C. 224 yards D. 312 yards
Determine the open intervals on which the graph of 
is concave downward or concave upward.
?
A. concave downward on 
;
concave upward on 
B. concave downward on
;concave upward on 
C. concave upward on
;concave downward on 
D. concave downward on
;concave upward on 
E. concave upward on
;concave downward on 