In buffalo new york the temperature was -14 fahrenheit in the morning. if the temperature dropped 7f and then rose 9 what is the temperature now?

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.

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.