3. The total cost for 9 bracelets, including shipping was $72. The shipping charge was $9. Define your variable and write an equ
1 answer:
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Answer:
3 ^ 9/5
Step-by-step explanation:
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Answer:
- 6
Step-by-step explanation:
The average rate of change of f(x) in the closed interval [ a, b ] is
here [ a, b ] = [ - 7, - 1 ]
f(b) = f(- 1) = (- 1)² + 2(- 1) - 8 = 1 - 2 - 8 = - 9
f(a) = f(- 7) = (- 7)² + 2(- 7) - 8 = 49 - 14 - 8 = 27
Hence
average rate of change = =
= - 6
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