F(3/4) if f(x)= 2x +1/4

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

What are the domain and range of f(x)= -log5(x+2)

Care repairs are less than or equal to $500