METHOD 1
f(3) = 20
f(4) = 30
f(5) = 42
f(6) = 56
rate of change
f(4)-f(3)=10
f(5)-f(4)=12
f(6)-f(5)=14
then the average of change is 10+12+14 /3 = 12
METHOD 2 --- faster
rate of change = f(6)-f(3) / 6-3
= (36+18+2)-(9+9+2) / 3
= 36/3 = 12
Answer:
76%
Step-by-step explanation:
First parts right
75.7% i think maybe
He has saved about $162 for college.
If you have more questions about math... just ask me!
Es x2 o 2x ? Porque con x2 no se podrá resolver, tendría que ser 2x
Hello, I'm from Indonesia. I hope that answer your question.