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bry856
 one year ago
If f(x)=x^3−x, what is the average rate of change of f(x) over the interval [1, 5]?
a)29.5
b)30
c)43
d)120
bry856
 one year ago
If f(x)=x^3−x, what is the average rate of change of f(x) over the interval [1, 5]? a)29.5 b)30 c)43 d)120

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geerky42
 one year ago
Best ResponseYou've already chosen the best response.0Generally, average rate of change of f(x) in interval [a, b] is \[\large \dfrac{f(b)f(a)}{ba}\]

geerky42
 one year ago
Best ResponseYou've already chosen the best response.0So here you just have \(\dfrac{f(5)f(1)}{51}=~\cdots~?\)

bry856
 one year ago
Best ResponseYou've already chosen the best response.0what, i dont know how to solve that im sorry

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@geerky42 did a good work

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0you just plug in the 5 value into the equation you have subtract it by the equation with 1 plugged in and then put it over 51 which is 4.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0nothing left just put the numbers

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0you're solving wrong. what did you get for 5^35 ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0it should be >( (5^35)(1^31))/4
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