The jamison family kept a log of the distance they traveled during a trip, as represented by the graph below. distance (1,40) (2,110) (4,180) (6,230) (8,350) (10,390) elapsed time (hours) during which interval was their average speed the greatest? (1) the first hour to the second hour (2) the second hour to the fourth hour (3) the sixth hour to the eighth hour (4) the eighth hour to the tenth hour

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Write the equations in logarithmic form 9^4=6,561

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?