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Sagot :
Answer:
C. 12
Step-by-step explanation:
Average rate of change = [tex] \frac{f(b) - f(a)}{b - a} [/tex]
Where,
a = 1, f(a) = 3
b = 3, f(b) = 27
Average rate of change = [tex] \frac{27 - 3}{3 - 1} [/tex]
Average rate of change = [tex] \frac{24}{2} = 12 [/tex]
Average rate of change for the interval from x = 1 to x = 3 is 12
The average rate of change for this function for the interval from x= 1
to x = 3 is 12.
What is Rate?
This is defined as the ratio between two related quantities in different units.
Average rate of change = f(b) - f(a) / (b - a)
We were given a = 1, f(a) = 3 ,b = 3, f(b) = 27
= 27 - 3 / 3 - 1
= 24 / 2 = 12.
The average rate of change for the interval from x = 1 to x = 3 is therefore 12 thereby making option C the most appropriate choice.
Read more about Rate of change here https://brainly.com/question/25184007
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