find b when B(x)=b-e^(3x+4)

Question

confused on where to start and where the intercept fits into the problem

Answer 1

B(x) = -e^(3x+4)

B is y-intercept so B(0) then

B(0) = -e^(3*(0) +4)

b= -e^4

Answer 2

B(x)= -e^(3x+4)

b= y intercept = B(0)=-e^(3(0)+4)= -e^4

b=-e^4