Solve, finding all solutions.tan x = -
(Express your answer in degrees.)
A. 120° + k ? 360° and 300° + k ? 360°, where k is any integer
B. 120° + k ? 360° and 240° + k ? 360°, where k is any integer
C. 150° + k ? 360° and 210° + k ? 360°, where k is any integer
D. 150° + k ? 360° and 330° + k ? 360°, where k is any integer
Answer: A
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Round the number as indicated.308 to the nearest ten
A. 320 B. 410 C. 300 D. 310
Determine the size of the matrix.
A. 2 × 3 B. 9 C. 6 × 6 D. 3 × 3
The graph of the function
?
?
is shown below. Determine the domain.
A. Domain: all real numbers except x = -2 and x = 2 B. Domain: all real numbers except x = 2 C. Domain: all real numbers except x = 0 D. Domain: all real numbers except x = 0 E. Domain: all real numbers except x = 4
Use the properties of limits to help decide whether the limit exists. If the limit exists, find its value.
A. 0
B. ?
C. - 
D. 