Oil leaks out of a tanker at a rate ofr= 0.5t+ 4 gallons per minute, wheretis in minutes.

(a) Write a definite integral for the total gallons of oil that leak out of the tanker in the first two hours.

Give your answer using the form

so i found f(t) but how do i find A and B? any help...thanks

f(t) = 0.5t+4