In the simulation in the Let’s Review section, select tan on the right. Select radians on the left. Activate the Labels option. Drag the red dot along the graph of the function at the bottom. What is the range of tanθ? (-∞, ∞)
y > 0
[0, ∞)

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

How can you tell when x and y are not directly proportional?