Use the integration capabilities of a graphing utility to approximate the volume of the solid generated by revolving the region bounded by the graphs of the equations about the x-axis. (Round your answer to four decimal places.)

a. y = e−x3

b. y = 0

c. x = 0

d. x = 5

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319