My friend and I are revising and we are confused on how to start the question below, and we're hoping someone could give us a hint. Sorry if it's a bit blurry.

We have the following equation, but aren't sure how to use it $$F(\omega)=∫f(t)e^{-j\omega t}dt $$

This is our task:

[![FourierTransform](https://i.stack.imgur.com/EhY7K.png)](https://i.stack.imgur.com/EhY7K.png)