Question

Laplace transform f(t)=2t+1

Answer 1

http://www.intmath.com/laplace-transformation/3-properties.php

Answer 2

\[\alpha{f(x)}=2\alpha{t} +\alpha {1}\]
can't put { } around t & 1...
can you finish it?

Answer 3

using table:
http://www.intmath.com/laplace-transformation/table-laplace-transforms.php
you'll find:
\[2/t ^{2} +1/t\]