1/10 is the answer if you divide 10,000 from 1,000
The total cost to buy 12 balloons was $4. The total cost to buy 19 balloons was $6. What was the average cost of the balloons
2 answers:
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Answer:
13
Step-by-step explanation:
The average rate of change of f(x) in the closed interval [ a, b ] is
Here [ a, b ] = [2, 6 ]
f(b) = f(6) = 6² + 5(6) - 8 = 36 + 30 - 8 = 58
f(a) = f(2) = 2² + 5(2) - 8 = 4 + 10 - 8 = 6
Hence
average rate of change = =
= 13