The function f is one-to-one. Find its inverse.f(x) = (x - 5)3
A. f-1(x) = + 5
B. f-1(x) = + 125
C. f-1(x) = + 5
D. f-1(x) = - 5
Answer: A
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Convert the units using two or three unit fractions.7200 sec = day
A. 7
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D.
Find the exact value of the indicated trigonometric function of ?.tan ? = - , 270°< ? < 360°Find cos ?.
A. 8
B.
C.
D.
Solve the problem.List all the combinations of 4 objects 1, 2, 3, and 4 taken 3 at a time. What is C(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 C(4, 3) = 24 B. 123, 124, 134, 234 C(4, 3) = 4 C. 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 C(4, 3) = 64 D. 123, 124, 134, 234, 321, 432 C(4, 3) = 6
Perform the multiplication and use the fundamental identities to simplify.
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