The integral of is going to give you or F. Now integrate the function it gave you, and figure out c using the additional information.
Just a hint, sometimes they will give you some useless information to throw you off.
Hey this is from the 2003 Calculus AB AP Exam.
A pizza heated to a temp of 350 degrees F, is take out of an oven nad placed in a 75 degree F room at time t=0 minutes. The temperature of the pizza is changing at a rate of -110e^(-0.4t) degrees F/min. To the nearest degree, what's the temperature of the pizza at time t=5 minutes?