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What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

The least common multiple is the multiple, other than 0, common to sets of multiples.

If jobs arrive every 15 seconds on average, what is the probability of waiting more than 30 seconds?