Integration of an equation to find displacement

[AryRezvani]

Homework Statement

Homework Equations

Above

The Attempt at a Solution

Okay, so I understand I need to integrate the top equation because it's velocity as a function of time.

I just don't know how.

 

[Redbelly98]

For starters, the hint is suggesting that you can think of 1.9i as a constant, represented by A.

So, what is $\int A \ dt$ ?