Solve the inequality. Express your answer using interval notation.|5x + 7| + |-3| ? 8
A. (-?, 
] or [
, ?)
B. [
, 
]
C. (-?, - 
] or [- 
, ?)
D. [- 
, - 
]
Answer: D
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The table below shows the number C, in millions, of cell phone subscribers t years after 2005. t 0 1 2 3 4 C 211.90 236.17 253.41 276.33 288.64? A: Use exponential regression to model the number of subscribers as a function of time. Round your answer to two decimal places.B: Plot the exponential model along with the data points.C: According to the exponential model, what is the yearly percentage increase in cell phone subscribers? Round your answer to the whole number.
What will be an ideal response?
Solve the inequality.
> 0
A. 
B. 
C. 
D. (0, ?)
A man started to work in 1977 at an annual salary of $14,400. He received a $800 raise each year. How much was his annual salary in 1997?
A. $30,200 B. $30,700 C. $30,400 D. $15,200 E. $30,300
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