Can someone tell me what is 5-8-10?

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g

Describe how to determine the average rate of change between x = 4 and x = 6 for the function f(x) = 2x^3 + 4. include the average rate of change in your answer.

Henry's butcher shop uses an electronic scale that measures to 1/100 of a pound. which is the most accurate measurement based on the limitations of the scale that might be found on a package of meat sold by henry?