# Math Help - Moment Generating Function

1. ## Moment Generating Function

MGF Question

Before I try computing the expectation as per the question requirement, I would like to confirm if the MGF I have derived is correct?

$=\int e^{tx}\ f(x)\ dx$
$=\frac{(3t-1)e^t + (1-t)e^{-t}}{4t^2}$

Thank you

2. Originally Posted by lindah
MGF Question

Before I try computing the expectation as per the question requirement, I would like to confirm if the MGF I have derived is correct?

$=\int e^{tx}\ f(x)\ dx$
$=\frac{(3t-1)e^t + (1-t)e^{-t}}{4t^2}$