What is the function value of f(x)=4x+11

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?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Percent increase and decrease. original number: 45 new number: 18