Elevators traveling from one floor to the next do not travel at a constant speed. suppose the speed of an elevator in feet per second is
given by the function 10) = -0.54* +422 - 1212 + 16, where t is the time in seconds.
find the speed of the elevator at 2 seconds.
a. 7.5 ft/s
b. 8 fts
c
10.5 ft/s
5 fts
d.

On the first of each month, shelly runs a 5k race. she keeps track of her times to track her progress. her time in minutes is recorded in the table: jan 40.55 july 35.38 feb 41.51 aug 37.48 mar 42.01 sept 40.87 apr 38.76 oct 48.32 may 36.32 nov 41.59 june 34.28 dec 42.71 determine the difference between the mean of the data, including the outlier and excluding the outlier. round to the hundredths place. 39.98 39.22 0.76 1.21

Polynomial that can be factored as (3x-4)(3x+4)

The quadratic function h(t)=-16.1t^2+150 choose the graph representation