f '(x)=-2 f(x)=2+(1/3)*e^(-6x-13)

Question

f '(x)=-2 f(x)=2+(1/3)*e^(-6x-13)

Answer 1

f'(x) = 1/3 * e ^(-6x-13)          * (-6)

f'(x) = -2e ^(-6x-13)

-2e ^(-6x-13) = -2

e ^(-6x-13)=1

(-6x-13)=0

x = -13/6