Michael and Lindsey are saving money. Michael begins with $20 and saves $5 per week. Lindsey begins with no money but saves $10
2 answers:
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Answer:
4
Step-by-step explanation:
The average rate of change of f(x) in the closed interval [ a, b ] is
Here [ a, b ] = [ 3, 4 ] , then
f(b) = f(4) = - 1 ← from table
f(a) = f(3) = - 5 ← from table , then
average rate of change = =
= 4