Question

f(x)=x2+2x+3 What is the average rate of change of f(x) over the interval [-4,6]

Answer 1

$Average Rate ofChange = \frac{F(6)-F(-4)}{(6-(-4)}$ 
$ F(6) = 6^2+2(6)+3 = 36+12+3=51$
$ F(-4) = (-4)^2+2(-4)+3 = 16-8+3=11$
Average Rate of Change = (51-11)/(6-(-4) = 40/10 = 4 

Answer 2

Answer:

4

Step-by-step explanation: