22) a manufacturing company is ready to introduce a new product with a national sales campaign.
after extensive test marketing, the market research department estimates that sales (in millions of dollars) will increase at the monthly rate of
s'(t) = 10 - 10e-0.2t for 0 ≤ t ≤ 24, t months after the national campaign has started. what will the total sales be five months after the beginning of the campaign if we assume zero sales at the beginning of the campaign? (round the answer to the nearest million.)

23) a drug is injected into the bloodstream of a patient through her right arm. the concentration of the drug, c(t) (in milligrams per cubic centimeter), in the blood stream of the left arm t hours after the injection is given by

c(t) = 0.15t/t^2 + 1. what is the average

solution:

as, mean is defined as sum of all the observations divided by total number of observations.

and , median is mid value of the data whether arranged in ascending order or descending order.

consider, roadsters:

2,3,4,5,6,7,8,9

mean =

also, median= , because number of observations is even, so median is mean of two mid values.

now, coming to bandits

2,3,4,5,6

mean =  

median = 4, as number of observations is odd.

so, roadsters has greater median as well mean than bandits.

→option a is true about the repairs performed on 2 types of cars:

bandits have lower median and mean than roadsters.

trapezoid

step-by-step explanation:

first i plotted all my points on a grid graph

i made sure all of them were in the correct quadrant

then i saw it was a trapezoid or a quadrilateral

step-by-step explanation: