Find f(-1) when f is the function given by the rule f(x)= x-2/x-1

An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?

Explain why the factor 1.5 is broke. into two numbers in the model.

The function models the number of accidents per 50 million miles driven as a function