A mug of beer chilled to 36 degrees, if left in a 72-degreeroom, will warm to a temperature of
T(t) = 72 −36e−3.5t
degrees in t hours.
(a) Find T(0.35) and
T'(0.35).
(Round your answers to one decimal place.)
Interpret your answers.
After 21 minutes, the temperature of the beeris  degrees and is increasing at the rateof  degrees per hour.
(b) Find T(1) and
T'(1).
(Round your answers to one decimal place.)
Interpret your answers.
Also if you don't mind please help on finding the derivative.Thank you
Find the derivative of the function.
f(x) =ex3 +7x
