Question

Look at the graph of f(x)=x^2+6x+10. What is the average rate of change between {1,3}?

Answer 1

this equals [f(3) - f(1)]  / [3-1]

=  3^2 + 6(3) + 10 - (1^2 + 6(1) + 10)  / 2

=   (37 - 17) / 2

= 10 Answer