Answer:
10
Step-by-step explanation:
The average rate of change is calculated using
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∣
∣∣¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯aag(b)−g(a)b−aaa∣∣∣−−−−−−−−−−−−−−−
here a = 1 and b = 3
g(3)=2(3)3−4(3)2=54−36=18
and g(1)=2(1)3−4(1)2=2−4=−2
⇒ average rate of change =18−(−2)3−1=202=10
Hope this helped