If an arrow is shot upward on mars with a speed of 54 m/s, its height in meters t seconds later is given by
y = 54t − 1.86t2.
(round your answers to two decimal places.)
(a) find the average speed over the given time intervals.
(i) [1, 2]
m/s

(ii) [1, 1.5]
m/s

(iii) [1, 1.1]
m/s

(iv) [1, 1.01]
m/s

(v) [1, 1.001]
m/s

(b) estimate the speed when t = 1.
m/s

Which statement accurately explains whether a reflection over the y-axis and a 270° counterclockwise rotation would map figure acb onto itself? a coordinate plane with figure acb with point a at 1, 1, c at 3, 4 and b at 5, 1 yes, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) yes, a″c″b′ is located at a″(1, 1), c″(3, 4), and b″(5, 1) no, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) no, a″c″b″ is located at a″(1, 1), c″(3, 4), and b″(5, 1)

How do you find principle and simple interest

Which of the following is true for the relation f(x)=2x^2+1