# The function #f(t)=Pe^(rt)# describes the amount #P# will become if invested for #t# years at #r%# per annum compounded continuously. If a sum becomes #$246.40# at #4%# in #4# years, what is the amount invested?

##### 1 Answer

Jun 20, 2017

#### Explanation:

As we have the function

we have

Hence