Mathematics, 01.03.2021 06:10 nayely1020
Find the average rate of change of the function f(x) = -1x^2-7x-8 over the interval (1, 3).
Answers: 3
[Change] Substitute in function: ![\displaystyle \displaystyle \frac{[-(3)^2 - 7(3) - 8] - [-(1)^2 - 7(1) - 8]}{3 - 1}](/tpl/images/1156/1127/b964d.png)
[Change] [Fraction] [Brackets] Evaluate exponents: ![\displaystyle \displaystyle \frac{[-9 - 7(3) - 8] - [-1 - 7(1) - 8]}{3 - 1}](/tpl/images/1156/1127/8b617.png)
[Change] [Fraction] [Brackets] Multiply: ![\displaystyle \displaystyle \frac{[-9 - 21 - 8] - [-1 - 7 - 8]}{3 - 1}](/tpl/images/1156/1127/5513a.png)
[Change] [Fraction] [Brackets] Subtract: ![\displaystyle \displaystyle \frac{[-38] - [-16]}{2}](/tpl/images/1156/1127/e106a.png)
[Change] [Fraction] [Distributive Property] Distribute negative: 
[Change] [Fraction] Add: 
[Change] [Fraction] Divide: Another question on Mathematics
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Find the average rate of change of the function f(x) = -1x^2-7x-8 over the interval (1, 3)....
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