If function f is defined by f(x) = 3x2 - 5x + 4, what is f(x-4) ?
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A) f(x-4) = 3x2 - 5x
B) f(x-4) = 3.72 - 5x+72
C) fix-4) = 3x² - 29x + 52
D) f(x-4) = 3x² - 29x + 72

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.