where x is the number of hours since 6 a.m a.) write the forumla for t'. t'(x)=? b.) how quickly is the temperature chan

[answerhappygod]

where x is the number of hours since 6 a.m
a.) write the forumla for t'.
t'(x)=?
b.) how quickly is the temperature changing from 9 a.m.? (round your answer to the nearest decimal.)
t'(3)=?
c.) what is the instantaneous rate of change of the temperature at 3 p.m.? (round your answer to the nearest one decimal.)

Where X Is The Number Of Hours Since 6 A M A Write The Forumla For T T X B How Quickly Is The Temperature Chan 1 (21.01 KiB) Viewed 56 times

The figure shows the temperature values (in °F) on a typical May day in a certain Midwestern city. t (x) degrees F 80 70 60 50 40 2 4 6 8 10 12 The equation of the graph is t(x)= -0.8x²+11.6x + 38.2°F where x is the number of hours since 6 A.M. (a) Write the formula for t. ['(x)= x hours since 6 A.M. (b) How quickly is the temperature changing at 9 A.M.? (Round your answer to one decimal place.) t'(3) = of per hour (4) end Ish (c) What is the instantaneous rate of change of the temperature at 3 P.M.? (Round your answer to one decimal place.) L'(9) - of per hour