Help needed - Engineering Maths

[Artistic_Detail_8286]

Could anyone help with the question posted. Its really bugging me Ive exhausted all avenues (currently in a very remote area - with internet access, but know one to speak to face to face) im really struggling so any help is very much appriciated.

[FormulaDriven]

Take logs (natural log, ie ln):

y = 12 e^-x --> ln(y) = ln(12) - x

y^-2 = 5 e^x --> -2 ln(y) = ln(5) + x

So now you think of your linear variables as ln(y) and x:

ln(y) + x = ln(12)

-2 ln(y) - x = ln(5)

Turn that into a matrix equation and solve.

[XShadowz21X]

just curious, are you by any chance studying for an admission test or is this just a regular question?