50 points Use the vertical line test to determine if the graphed relation is a function.

Yes. One output results in one input.
No. At least one output results in two inputs.
No. At least one input results in two outputs.
Yes. One input results in one output.

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.