Question #42aec

1 Answer
Jim G.
Sep 28, 2017

#-11#

Explanation:

#"the average rate of change is the slope of the "color(blue)"secant"#
#"connecting the 2 points on f(x)"#

#"average rate of change "=(f(b)-f(a))/(b-a)#

#"where "a=0" and "b=8#

#f(b)=f(8)=16-104+5=-83#

#f(a)=f(0)=5#

#rArr"average rate of change "=(-83-5)/(8-0)#

#color(white)(xxxxxxxxxxxxxxxxxxx)=-88/8=-11#

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